Q: What is the sum of all factors of the number 7,878,800 including 7,878,800?

Why is 18,929,778 the sum of all factors of 7,878,800, including 7,878,800?

The factors of the number 7,878,800 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 19697, 39394, 78788, 98485, 157576, 196970, 315152, 393940, 492425, 787880, 984850, 1575760, 1969700, 3939400, 7878800.

If you add them up, you will get the total of 18,929,778.

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