Q: What is the sum of all factors of the number 38,980 excluding 38,980?

A: 42,920

Why is 42,920 the sum of all factors of 38,980, excluding 38,980?

The factors of the number 38,980 are: 1, 2, 4, 5, 10, 20, 1949, 3898, 7796, 9745, 19490, 38980.

If you add them up, you will get the total of 39,022. Now subtract 38,980 to get 42,920

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