8684240

素因数分解:

$2^4\times 5^1\times {\mathrm{108553}}^1$

素因数の和:108566

約数の個数: 20

約数和(自身を含む): 20191044

約数和(自身を除く): 11506804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108553, 217106, 434212, 542765, 868424, 1085530, 1736848, 2171060, 4342120, 8684240]

約数ペア:

[(1, 8684240), (2, 4342120), (4, 2171060), (5, 1736848), (8, 1085530), (10, 868424), (16, 542765), (20, 434212), (40, 217106), (80, 108553)]