89903680

素因数分解:

$2^6\times 5^1\times {\mathrm{280949}}^1$

素因数の和:280966

約数の個数: 28

約数和(自身を含む): 214083900

約数和(自身を除く): 124180220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 280949, 561898, 1123796, 1404745, 2247592, 2809490, 4495184, 5618980, 8990368, 11237960, 17980736, 22475920, 44951840, 89903680]

約数ペア:

[(1, 89903680), (2, 44951840), (4, 22475920), (5, 17980736), (8, 11237960), (10, 8990368), (16, 5618980), (20, 4495184), (32, 2809490), (40, 2247592), (64, 1404745), (80, 1123796), (160, 561898), (320, 280949)]