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added 103 characters in body

Source Link

edited Sep 8, 2017 at 4:10

35.6k
2
34
129

Python, 4544 bytes

lambda k:sum(i i*(k%i<1)for i in range(1,1+k)if k%i<1)

Thanks to Stephen, save 1 byte.

Thanks to Stephen, save 1 byte by removing whitespace.

Thanks to Jonathan Frech, save another 1 byte by changing if to multiply.

Python, 45 bytes

lambda k:sum(i for i in range(1,1+k)if k%i<1)

Thanks to Stephen, save 1 byte.

Python, 44 bytes

lambda k:sum(i*(k%i<1)for i in range(1,1+k))

Thanks to Stephen, save 1 byte by removing whitespace.

Thanks to Jonathan Frech, save another 1 byte by changing if to multiply.

added 33 characters in body

Source Link

edited Sep 8, 2017 at 2:04

35.6k
2
34
129

Python, 4745 bytes

lambda k:sum(i for i in range(1,1+k) if k%i==0k%i<1)

Thanks to Stephen, save 1 byte.

Python, 47 bytes

lambda k:sum(i for i in range(1,1+k) if k%i==0)

Python, 45 bytes

lambda k:sum(i for i in range(1,1+k)if k%i<1)

Thanks to Stephen, save 1 byte.

Source Link

created Sep 8, 2017 at 1:40

35.6k
2
34
129

Python, 47 bytes

lambda k:sum(i for i in range(1,1+k) if k%i==0)