25122820

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3499}}^1$

素因数の和:3867

約数の個数: 24

約数和(自身を含む): 52920000

約数和(自身を除く): 27797180

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3499, 3590, 6998, 7180, 13996, 17495, 34990, 69980, 1256141, 2512282, 5024564, 6280705, 12561410, 25122820]

約数ペア:

[(1, 25122820), (2, 12561410), (4, 6280705), (5, 5024564), (10, 2512282), (20, 1256141), (359, 69980), (718, 34990), (1436, 17495), (1795, 13996), (3499, 7180), (3590, 6998)]