3905482180

素因数分解:

$2^2\times 5^1\times {\mathrm{195274109}}^1$

素因数の和:195274118

約数の個数: 12

約数和(自身を含む): 8201512620

約数和(自身を除く): 4296030440

約数列:

[1, 2, 4, 5, 10, 20, 195274109, 390548218, 781096436, 976370545, 1952741090, 3905482180]

約数ペア:

[(1, 3905482180), (2, 1952741090), (4, 976370545), (5, 781096436), (10, 390548218), (20, 195274109)]