Q: What is the sum of all factors of the number 326,378,840 excluding 326,378,840?

A: 408,952,120

Why is 408,952,120 the sum of all factors of 326,378,840, excluding 326,378,840?

The factors of the number 326,378,840 are: 1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 8110, 10061, 16220, 20122, 32440, 40244, 50305, 80488, 100610, 201220, 402440, 8159471, 16318942, 32637884, 40797355, 65275768, 81594710, 163189420, 326378840.

If you add them up, you will get the total of 326,379,248. Now subtract 326,378,840 to get 408,952,120