Q: What is the sum of all factors of the number 127,872 excluding 127,872?

A: 259,728

Why is 259,728 the sum of all factors of 127,872, excluding 127,872?

The factors of the number 127,872 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 96, 108, 111, 128, 144, 148, 192, 216, 222, 288, 296, 333, 384, 432, 444, 576, 592, 666, 864, 888, 999, 1152, 1184, 1332, 1728, 1776, 1998, 2368, 2664, 3456, 3552, 3996, 4736, 5328, 7104, 7992, 10656, 14208, 15984, 21312, 31968, 42624, 63936, 127872.

If you add them up, you will get the total of 128,131. Now subtract 127,872 to get 259,728