Q: What is the sum of all factors of the number 631,840 excluding 631,840?

A: 1,001,120

Why is 1,001,120 the sum of all factors of 631,840, excluding 631,840?

The factors of the number 631,840 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 359, 440, 718, 880, 1436, 1760, 1795, 2872, 3590, 3949, 5744, 7180, 7898, 11488, 14360, 15796, 19745, 28720, 31592, 39490, 57440, 63184, 78980, 126368, 157960, 315920, 631840.

If you add them up, you will get the total of 631,841. Now subtract 631,840 to get 1,001,120