Q: What is the sum of all factors of the number 1,520 including 1,520?

A: 3,720

Why is 3,720 the sum of all factors of 1,520, including 1,520?

The factors of the number 1,520 are: 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520.

If you add them up, you will get the total of 3,720.

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