Q: What is the sum of all factors of the number 205,540 excluding 205,540?

 A: 237,980

Why is 237,980 the sum of all factors of 205,540, excluding 205,540?

The factors of the number 205,540 are: 1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 239, 430, 478, 860, 956, 1195, 2390, 4780, 10277, 20554, 41108, 51385, 102770, 205540.

If you add them up, you will get the total of 205,777. Now subtract 205,540 to get 237,980


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