17313680

素因数分解:

$2^4\times 5^1\times {\mathrm{216421}}^1$

素因数の和:216434

約数の個数: 20

約数和(自身を含む): 40254492

約数和(自身を除く): 22940812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 216421, 432842, 865684, 1082105, 1731368, 2164210, 3462736, 4328420, 8656840, 17313680]

約数ペア:

[(1, 17313680), (2, 8656840), (4, 4328420), (5, 3462736), (8, 2164210), (10, 1731368), (16, 1082105), (20, 865684), (40, 432842), (80, 216421)]