25218040

素因数分解:

$2^3\times 5^1\times {\mathrm{630451}}^1$

素因数の和:630462

約数の個数: 16

約数和(自身を含む): 56740680

約数和(自身を除く): 31522640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 630451, 1260902, 2521804, 3152255, 5043608, 6304510, 12609020, 25218040]

約数ペア:

[(1, 25218040), (2, 12609020), (4, 6304510), (5, 5043608), (8, 3152255), (10, 2521804), (20, 1260902), (40, 630451)]