55318546180

素因数分解:

$2^2\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{691309}}^1$

素因数の和:695319

約数の個数: 24

約数和(自身を含む): 116198150040

約数和(自身を除く): 60879603860

約数列:

[1, 2, 4, 5, 10, 20, 4001, 8002, 16004, 20005, 40010, 80020, 691309, 1382618, 2765236, 3456545, 6913090, 13826180, 2765927309, 5531854618, 11063709236, 13829636545, 27659273090, 55318546180]

約数ペア:

[(1, 55318546180), (2, 27659273090), (4, 13829636545), (5, 11063709236), (10, 5531854618), (20, 2765927309), (4001, 13826180), (8002, 6913090), (16004, 3456545), (20005, 2765236), (40010, 1382618), (80020, 691309)]