80413640

素因数分解:

$2^3\times 5^1\times {\mathrm{2010341}}^1$

素因数の和:2010352

約数の個数: 16

約数和(自身を含む): 180930780

約数和(自身を除く): 100517140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2010341, 4020682, 8041364, 10051705, 16082728, 20103410, 40206820, 80413640]

約数ペア:

[(1, 80413640), (2, 40206820), (4, 20103410), (5, 16082728), (8, 10051705), (10, 8041364), (20, 4020682), (40, 2010341)]