8909140

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1451}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 18783072

約数和(自身を除く): 9873932

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1451, 1535, 2902, 3070, 5804, 6140, 7255, 14510, 29020, 445457, 890914, 1781828, 2227285, 4454570, 8909140]

約数ペア:

[(1, 8909140), (2, 4454570), (4, 2227285), (5, 1781828), (10, 890914), (20, 445457), (307, 29020), (614, 14510), (1228, 7255), (1451, 6140), (1535, 5804), (2902, 3070)]