Q: What is the sum of all factors of the number 138,080 excluding 138,080?

 A: 188,512

Why is 188,512 the sum of all factors of 138,080, excluding 138,080?

The factors of the number 138,080 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 863, 1726, 3452, 4315, 6904, 8630, 13808, 17260, 27616, 34520, 69040, 138080.

If you add them up, you will get the total of 138,268. Now subtract 138,080 to get 188,512


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