Q: What is the sum of all factors of the number 66,980 excluding 66,980?

 A: 82,708

Why is 82,708 the sum of all factors of 66,980, excluding 66,980?

The factors of the number 66,980 are: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1970, 3349, 3940, 6698, 13396, 16745, 33490, 66980.

If you add them up, you will get the total of 67,062. Now subtract 66,980 to get 82,708


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