71501380

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{8741}}^1$

素因数の和:9159

約数の個数: 24

約数和(自身を含む): 150537240

約数和(自身を除く): 79035860

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 8741, 17482, 34964, 43705, 87410, 174820, 3575069, 7150138, 14300276, 17875345, 35750690, 71501380]

約数ペア:

[(1, 71501380), (2, 35750690), (4, 17875345), (5, 14300276), (10, 7150138), (20, 3575069), (409, 174820), (818, 87410), (1636, 43705), (2045, 34964), (4090, 17482), (8180, 8741)]