89480980

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{20063}}^1$

素因数の和:20295

約数の個数: 24

約数和(自身を含む): 188762112

約数和(自身を除く): 99281132

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 20063, 40126, 80252, 100315, 200630, 401260, 4474049, 8948098, 17896196, 22370245, 44740490, 89480980]

約数ペア:

[(1, 89480980), (2, 44740490), (4, 22370245), (5, 17896196), (10, 8948098), (20, 4474049), (223, 401260), (446, 200630), (892, 100315), (1115, 80252), (2230, 40126), (4460, 20063)]