Q: What is the sum of all factors of the number 27,240 excluding 27,240?

 A: 54,840

Why is 54,840 the sum of all factors of 27,240, excluding 27,240?

The factors of the number 27,240 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 227, 454, 681, 908, 1135, 1362, 1816, 2270, 2724, 3405, 4540, 5448, 6810, 9080, 13620, 27240.

If you add them up, you will get the total of 27,294. Now subtract 27,240 to get 54,840


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