89872780

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{14449}}^1$

素因数の和:14769

約数の個数: 24

約数和(自身を含む): 189352800

約数和(自身を除く): 99480020

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 14449, 28898, 57796, 72245, 144490, 288980, 4493639, 8987278, 17974556, 22468195, 44936390, 89872780]

約数ペア:

[(1, 89872780), (2, 44936390), (4, 22468195), (5, 17974556), (10, 8987278), (20, 4493639), (311, 288980), (622, 144490), (1244, 72245), (1555, 57796), (3110, 28898), (6220, 14449)]