Q: What is the sum of all factors of the number 121,280 including 121,280?

 A: 289,560

Why is 289,560 the sum of all factors of 121,280, including 121,280?

The factors of the number 121,280 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 379, 758, 1516, 1895, 3032, 3790, 6064, 7580, 12128, 15160, 24256, 30320, 60640, 121280.

If you add them up, you will get the total of 289,560.


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