Q: What is the sum of all factors of the number 13,404,880 excluding 13,404,880?

A: 19,405,520

Why is 19,405,520 the sum of all factors of 13,404,880, excluding 13,404,880?

The factors of the number 13,404,880 are: 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8819, 17638, 35276, 44095, 70552, 88190, 141104, 167561, 176380, 335122, 352760, 670244, 705520, 837805, 1340488, 1675610, 2680976, 3351220, 6702440, 13404880.

If you add them up, you will get the total of 13,404,899. Now subtract 13,404,880 to get 19,405,520