40538084

素因数分解:

$2^2\times {\mathrm{1571}}^1\times {\mathrm{6451}}^1$

素因数の和:8026

約数の個数: 12

約数和(自身を含む): 70997808

約数和(自身を除く): 30459724

約数列:

[1, 2, 4, 1571, 3142, 6284, 6451, 12902, 25804, 10134521, 20269042, 40538084]

約数ペア:

[(1, 40538084), (2, 20269042), (4, 10134521), (1571, 25804), (3142, 12902), (6284, 6451)]