16124140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18749}}^1$

素因数の和:18801

約数の個数: 24

約数和(自身を含む): 34650000

約数和(自身を除く): 18525860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 18749, 37498, 74996, 93745, 187490, 374980, 806207, 1612414, 3224828, 4031035, 8062070, 16124140]

約数ペア:

[(1, 16124140), (2, 8062070), (4, 4031035), (5, 3224828), (10, 1612414), (20, 806207), (43, 374980), (86, 187490), (172, 93745), (215, 74996), (430, 37498), (860, 18749)]