Q: What is the sum of all factors of the number 2,640 including 2,640?

 A: 8,928

Why is 8,928 the sum of all factors of 2,640, including 2,640?

The factors of the number 2,640 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640.

If you add them up, you will get the total of 8,928.


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