66498680

素因数分解:

$2^3\times 5^1\times {\mathrm{1662467}}^1$

素因数の和:1662478

約数の個数: 16

約数和(自身を含む): 149622120

約数和(自身を除く): 83123440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1662467, 3324934, 6649868, 8312335, 13299736, 16624670, 33249340, 66498680]

約数ペア:

[(1, 66498680), (2, 33249340), (4, 16624670), (5, 13299736), (8, 8312335), (10, 6649868), (20, 3324934), (40, 1662467)]