Q: What is the sum of all factors of the number 15,661,240 including 15,661,240?

Why is 40,272,480 the sum of all factors of 15,661,240, including 15,661,240?

The factors of the number 15,661,240 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55933, 111866, 223732, 279665, 391531, 447464, 559330, 783062, 1118660, 1566124, 1957655, 2237320, 3132248, 3915310, 7830620, 15661240.

If you add them up, you will get the total of 40,272,480.

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