40348040

素因数分解:

$2^3\times 5^1\times {\mathrm{1008701}}^1$

素因数の和:1008712

約数の個数: 16

約数和(自身を含む): 90783180

約数和(自身を除く): 50435140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1008701, 2017402, 4034804, 5043505, 8069608, 10087010, 20174020, 40348040]

約数ペア:

[(1, 40348040), (2, 20174020), (4, 10087010), (5, 8069608), (8, 5043505), (10, 4034804), (20, 2017402), (40, 1008701)]