39753640

素因数分解:

$2^3\times 5^1\times {\mathrm{993841}}^1$

素因数の和:993852

約数の個数: 16

約数和(自身を含む): 89445780

約数和(自身を除く): 49692140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 993841, 1987682, 3975364, 4969205, 7950728, 9938410, 19876820, 39753640]

約数ペア:

[(1, 39753640), (2, 19876820), (4, 9938410), (5, 7950728), (8, 4969205), (10, 3975364), (20, 1987682), (40, 993841)]