2597020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 5518800

約数和(自身を除く): 2921780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1459, 1780, 2918, 5836, 7295, 14590, 29180, 129851, 259702, 519404, 649255, 1298510, 2597020]

約数ペア:

[(1, 2597020), (2, 1298510), (4, 649255), (5, 519404), (10, 259702), (20, 129851), (89, 29180), (178, 14590), (356, 7295), (445, 5836), (890, 2918), (1459, 1780)]