Q: What is the sum of all factors of the number 400,115,020 including 400,115,020?

A: 864,198,720

Why is 864,198,720 the sum of all factors of 400,115,020, including 400,115,020?

The factors of the number 400,115,020 are: 1, 2, 4, 5, 10, 20, 53, 106, 109, 212, 218, 265, 436, 530, 545, 1060, 1090, 2180, 3463, 5777, 6926, 11554, 13852, 17315, 23108, 28885, 34630, 57770, 69260, 115540, 183539, 367078, 377467, 734156, 754934, 917695, 1509868, 1835390, 1887335, 3670780, 3774670, 7549340, 20005751, 40011502, 80023004, 100028755, 200057510, 400115020.

If you add them up, you will get the total of 864,198,720.