Q: What is the sum of all factors of the number 65,120 excluding 65,120?

A: 107,248

Why is 107,248 the sum of all factors of 65,120, excluding 65,120?

The factors of the number 65,120 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 148, 160, 176, 185, 220, 296, 352, 370, 407, 440, 592, 740, 814, 880, 1184, 1480, 1628, 1760, 2035, 2960, 3256, 4070, 5920, 6512, 8140, 13024, 16280, 32560, 65120.

If you add them up, you will get the total of 65,227. Now subtract 65,120 to get 107,248