40026640

素因数分解:

$2^4\times 5^1\times {\mathrm{500333}}^1$

素因数の和:500346

約数の個数: 20

約数和(自身を含む): 93062124

約数和(自身を除く): 53035484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 500333, 1000666, 2001332, 2501665, 4002664, 5003330, 8005328, 10006660, 20013320, 40026640]

約数ペア:

[(1, 40026640), (2, 20013320), (4, 10006660), (5, 8005328), (8, 5003330), (10, 4002664), (16, 2501665), (20, 2001332), (40, 1000666), (80, 500333)]