65218040

素因数分解:

$2^3\times 5^1\times {\mathrm{1630451}}^1$

素因数の和:1630462

約数の個数: 16

約数和(自身を含む): 146740680

約数和(自身を除く): 81522640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1630451, 3260902, 6521804, 8152255, 13043608, 16304510, 32609020, 65218040]

約数ペア:

[(1, 65218040), (2, 32609020), (4, 16304510), (5, 13043608), (8, 8152255), (10, 6521804), (20, 3260902), (40, 1630451)]