8721260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10141}}^1$

素因数の和:10193

約数の個数: 24

約数和(自身を含む): 18742416

約数和(自身を除く): 10021156

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 10141, 20282, 40564, 50705, 101410, 202820, 436063, 872126, 1744252, 2180315, 4360630, 8721260]

約数ペア:

[(1, 8721260), (2, 4360630), (4, 2180315), (5, 1744252), (10, 872126), (20, 436063), (43, 202820), (86, 101410), (172, 50705), (215, 40564), (430, 20282), (860, 10141)]