1.

The sum of factors of 19600 is:

Answer»

54777
33667
5428
none of these

Solution :SINCE 19600 = `2^4xx5^2xx7^2`
`THEREFORE` Sim of all FACTORS of 19600 = `((2^(4+1)-1))(5^(2+1)-1)(7^(2+1)-1)/(2-1)(5-1)(7-1) = (31xx124xx342)/(1xx4xx6) = 5477`


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