85563640

素因数分解:

$2^3\times 5^1\times {\mathrm{2139091}}^1$

素因数の和:2139102

約数の個数: 16

約数和(自身を含む): 192518280

約数和(自身を除く): 106954640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2139091, 4278182, 8556364, 10695455, 17112728, 21390910, 42781820, 85563640]

約数ペア:

[(1, 85563640), (2, 42781820), (4, 21390910), (5, 17112728), (8, 10695455), (10, 8556364), (20, 4278182), (40, 2139091)]