2016105880

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{255851}}^1$

素因数の和:256059

約数の個数: 32

約数和(自身を含む): 4559282640

約数和(自身を除く): 2543176760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 255851, 511702, 1023404, 1279255, 2046808, 2558510, 5117020, 10234040, 50402647, 100805294, 201610588, 252013235, 403221176, 504026470, 1008052940, 2016105880]

約数ペア:

[(1, 2016105880), (2, 1008052940), (4, 504026470), (5, 403221176), (8, 252013235), (10, 201610588), (20, 100805294), (40, 50402647), (197, 10234040), (394, 5117020), (788, 2558510), (985, 2046808), (1576, 1279255), (1970, 1023404), (3940, 511702), (7880, 255851)]