56528660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65731}}^1$

素因数の和:65783

約数の個数: 24

約数和(自身を含む): 121472736

約数和(自身を除く): 64944076

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 65731, 131462, 262924, 328655, 657310, 1314620, 2826433, 5652866, 11305732, 14132165, 28264330, 56528660]

約数ペア:

[(1, 56528660), (2, 28264330), (4, 14132165), (5, 11305732), (10, 5652866), (20, 2826433), (43, 1314620), (86, 657310), (172, 328655), (215, 262924), (430, 131462), (860, 65731)]