Q: What is the sum of all factors of the number 65,664 excluding 65,664?

A: 138,336

Why is 138,336 the sum of all factors of 65,664, excluding 65,664?

The factors of the number 65,664 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 288, 304, 342, 384, 432, 456, 513, 576, 608, 684, 864, 912, 1026, 1152, 1216, 1368, 1728, 1824, 2052, 2432, 2736, 3456, 3648, 4104, 5472, 7296, 8208, 10944, 16416, 21888, 32832, 65664.

If you add them up, you will get the total of 65,802. Now subtract 65,664 to get 138,336