Q: What is the sum of all factors of the number 28,480 excluding 28,480?

 A: 40,100

Why is 40,100 the sum of all factors of 28,480, excluding 28,480?

The factors of the number 28,480 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 14240, 28480.

If you add them up, you will get the total of 28,520. Now subtract 28,480 to get 40,100


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