Q: What is the sum of all factors of the number 661,102,130 excluding 661,102,130?

 A: 620,419,174

Why is 620,419,174 the sum of all factors of 661,102,130, excluding 661,102,130?

The factors of the number 661,102,130 are: 1, 2, 5, 10, 13, 26, 65, 130, 5085401, 10170802, 25427005, 50854010, 66110213, 132220426, 330551065, 661102130.

If you add them up, you will get the total of 661,102,750. Now subtract 661,102,130 to get 620,419,174


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