Q: What is the sum of all factors of the number 15,680,360 excluding 15,680,360?

 A: 20,033,080

Why is 20,033,080 the sum of all factors of 15,680,360, excluding 15,680,360?

The factors of the number 15,680,360 are: 1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 4723, 9446, 18892, 23615, 37784, 47230, 94460, 188920, 392009, 784018, 1568036, 1960045, 3136072, 3920090, 7840180, 15680360.

If you add them up, you will get the total of 15,680,380. Now subtract 15,680,360 to get 20,033,080


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