Q: What is the sum of all factors of the number 30,800 excluding 30,800?

 A: 61,456

Why is 61,456 the sum of all factors of 30,800, excluding 30,800?

The factors of the number 30,800 are: 1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 175, 176, 200, 220, 275, 280, 308, 350, 385, 400, 440, 550, 560, 616, 700, 770, 880, 1100, 1232, 1400, 1540, 1925, 2200, 2800, 3080, 3850, 4400, 6160, 7700, 15400, 30800.

If you add them up, you will get the total of 30,861. Now subtract 30,800 to get 61,456


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