Q: What is the sum of all factors of the number 3,840 including 3,840?

 A: 12,264

Why is 12,264 the sum of all factors of 3,840, including 3,840?

The factors of the number 3,840 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840.

If you add them up, you will get the total of 12,264.


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