Q: What is the sum of all factors of the number 72,160 excluding 72,160?

A: 118,352

Why is 118,352 the sum of all factors of 72,160, excluding 72,160?

The factors of the number 72,160 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 328, 352, 410, 440, 451, 656, 820, 880, 902, 1312, 1640, 1760, 1804, 2255, 3280, 3608, 4510, 6560, 7216, 9020, 14432, 18040, 36080, 72160.

If you add them up, you will get the total of 72,278. Now subtract 72,160 to get 118,352