Q: What is the sum of all factors of the number 29,640 excluding 29,640?

A: 71,160

Why is 71,160 the sum of all factors of 29,640, excluding 29,640?

The factors of the number 29,640 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9880, 14820, 29640.

If you add them up, you will get the total of 29,711. Now subtract 29,640 to get 71,160