39912620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181421}}^1$

素因数の和:181441

約数の個数: 24

約数和(自身を含む): 91436688

約数和(自身を除く): 51524068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 181421, 362842, 725684, 907105, 1814210, 1995631, 3628420, 3991262, 7982524, 9978155, 19956310, 39912620]

約数ペア:

[(1, 39912620), (2, 19956310), (4, 9978155), (5, 7982524), (10, 3991262), (11, 3628420), (20, 1995631), (22, 1814210), (44, 907105), (55, 725684), (110, 362842), (220, 181421)]