8069140

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1289}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 17012520

約数和(自身を除く): 8943380

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1289, 1565, 2578, 3130, 5156, 6260, 6445, 12890, 25780, 403457, 806914, 1613828, 2017285, 4034570, 8069140]

約数ペア:

[(1, 8069140), (2, 4034570), (4, 2017285), (5, 1613828), (10, 806914), (20, 403457), (313, 25780), (626, 12890), (1252, 6445), (1289, 6260), (1565, 5156), (2578, 3130)]