40123640

素因数分解:

$2^3\times 5^1\times {\mathrm{1003091}}^1$

素因数の和:1003102

約数の個数: 16

約数和(自身を含む): 90278280

約数和(自身を除く): 50154640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1003091, 2006182, 4012364, 5015455, 8024728, 10030910, 20061820, 40123640]

約数ペア:

[(1, 40123640), (2, 20061820), (4, 10030910), (5, 8024728), (8, 5015455), (10, 4012364), (20, 2006182), (40, 1003091)]