90633640

素因数分解:

$2^3\times 5^1\times {\mathrm{2265841}}^1$

素因数の和:2265852

約数の個数: 16

約数和(自身を含む): 203925780

約数和(自身を除く): 113292140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2265841, 4531682, 9063364, 11329205, 18126728, 22658410, 45316820, 90633640]

約数ペア:

[(1, 90633640), (2, 45316820), (4, 22658410), (5, 18126728), (8, 11329205), (10, 9063364), (20, 4531682), (40, 2265841)]