804920260

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{62591}}^1$

素因数の和:63243

約数の個数: 24

約数和(自身を含む): 1692988416

約数和(自身を除く): 888068156

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 62591, 125182, 250364, 312955, 625910, 1251820, 40246013, 80492026, 160984052, 201230065, 402460130, 804920260]

約数ペア:

[(1, 804920260), (2, 402460130), (4, 201230065), (5, 160984052), (10, 80492026), (20, 40246013), (643, 1251820), (1286, 625910), (2572, 312955), (3215, 250364), (6430, 125182), (12860, 62591)]