40026040

素因数分解:

$2^3\times 5^1\times {\mathrm{1000651}}^1$

素因数の和:1000662

約数の個数: 16

約数和(自身を含む): 90058680

約数和(自身を除く): 50032640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1000651, 2001302, 4002604, 5003255, 8005208, 10006510, 20013020, 40026040]

約数ペア:

[(1, 40026040), (2, 20013020), (4, 10006510), (5, 8005208), (8, 5003255), (10, 4002604), (20, 2001302), (40, 1000651)]