Q: What is the sum of all factors of the number 123,663,640 excluding 123,663,640?

A: 166,679,240

Why is 166,679,240 the sum of all factors of 123,663,640, excluding 123,663,640?

The factors of the number 123,663,640 are: 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 134417, 268834, 537668, 672085, 1075336, 1344170, 2688340, 3091591, 5376680, 6183182, 12366364, 15457955, 24732728, 30915910, 61831820, 123663640.

If you add them up, you will get the total of 123,663,806. Now subtract 123,663,640 to get 166,679,240