Q: What is the sum of all factors of the number 140,720 excluding 140,720?

 A: 186,640

Why is 186,640 the sum of all factors of 140,720, excluding 140,720?

The factors of the number 140,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1759, 3518, 7036, 8795, 14072, 17590, 28144, 35180, 70360, 140720.

If you add them up, you will get the total of 140,906. Now subtract 140,720 to get 186,640


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