9578980

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1091}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 20180160

約数和(自身を除く): 10601180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1091, 1756, 2182, 2195, 4364, 4390, 5455, 8780, 10910, 21820, 478949, 957898, 1915796, 2394745, 4789490, 9578980]

約数ペア:

[(1, 9578980), (2, 4789490), (4, 2394745), (5, 1915796), (10, 957898), (20, 478949), (439, 21820), (878, 10910), (1091, 8780), (1756, 5455), (2182, 4390), (2195, 4364)]