628872880

素因数分解:

$2^4\times 5^1\times {\mathrm{7860911}}^1$

素因数の和:7860924

約数の個数: 20

約数和(自身を含む): 1462129632

約数和(自身を除く): 833256752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7860911, 15721822, 31443644, 39304555, 62887288, 78609110, 125774576, 157218220, 314436440, 628872880]

約数ペア:

[(1, 628872880), (2, 314436440), (4, 157218220), (5, 125774576), (8, 78609110), (10, 62887288), (16, 39304555), (20, 31443644), (40, 15721822), (80, 7860911)]