Q: What is the sum of all factors of the number 255,280 excluding 255,280?

A: 338,432

Why is 338,432 the sum of all factors of 255,280, excluding 255,280?

The factors of the number 255,280 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3191, 6382, 12764, 15955, 25528, 31910, 51056, 63820, 127640, 255280.

If you add them up, you will get the total of 255,618. Now subtract 255,280 to get 338,432

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