Q: What is the sum of all factors of the number 125,840 excluding 125,840?

A: 220,492

Why is 220,492 the sum of all factors of 125,840, excluding 125,840?

The factors of the number 125,840 are: 1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 176, 208, 220, 242, 260, 286, 440, 484, 520, 572, 605, 715, 880, 968, 1040, 1144, 1210, 1430, 1573, 1936, 2288, 2420, 2860, 3146, 4840, 5720, 6292, 7865, 9680, 11440, 12584, 15730, 25168, 31460, 62920, 125840.

If you add them up, you will get the total of 126,060. Now subtract 125,840 to get 220,492