81223400

素因数分解:

$2^3\times 5^2\times {\mathrm{406117}}^1$

素因数の和:406133

約数の個数: 24

約数和(自身を含む): 188844870

約数和(自身を除く): 107621470

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 406117, 812234, 1624468, 2030585, 3248936, 4061170, 8122340, 10152925, 16244680, 20305850, 40611700, 81223400]

約数ペア:

[(1, 81223400), (2, 40611700), (4, 20305850), (5, 16244680), (8, 10152925), (10, 8122340), (20, 4061170), (25, 3248936), (40, 2030585), (50, 1624468), (100, 812234), (200, 406117)]