Q: What is the sum of all factors of the number 137,440 excluding 137,440?

 A: 187,640

Why is 187,640 the sum of all factors of 137,440, excluding 137,440?

The factors of the number 137,440 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 859, 1718, 3436, 4295, 6872, 8590, 13744, 17180, 27488, 34360, 68720, 137440.

If you add them up, you will get the total of 137,627. Now subtract 137,440 to get 187,640


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