68778040

素因数分解:

$2^3\times 5^1\times {\mathrm{1719451}}^1$

素因数の和:1719462

約数の個数: 16

約数和(自身を含む): 154750680

約数和(自身を除く): 85972640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1719451, 3438902, 6877804, 8597255, 13755608, 17194510, 34389020, 68778040]

約数ペア:

[(1, 68778040), (2, 34389020), (4, 17194510), (5, 13755608), (8, 8597255), (10, 6877804), (20, 3438902), (40, 1719451)]