1320246740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1610057}}^1$

素因数の和:1610107

約数の個数: 24

約数和(自身を含む): 2840142312

約数和(自身を除く): 1519895572

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1610057, 3220114, 6440228, 8050285, 16100570, 32201140, 66012337, 132024674, 264049348, 330061685, 660123370, 1320246740]

約数ペア:

[(1, 1320246740), (2, 660123370), (4, 330061685), (5, 264049348), (10, 132024674), (20, 66012337), (41, 32201140), (82, 16100570), (164, 8050285), (205, 6440228), (410, 3220114), (820, 1610057)]