22312880

素因数分解:

$2^4\times 5^1\times {\mathrm{278911}}^1$

素因数の和:278924

約数の個数: 20

約数和(自身を含む): 51877632

約数和(自身を除く): 29564752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278911, 557822, 1115644, 1394555, 2231288, 2789110, 4462576, 5578220, 11156440, 22312880]

約数ペア:

[(1, 22312880), (2, 11156440), (4, 5578220), (5, 4462576), (8, 2789110), (10, 2231288), (16, 1394555), (20, 1115644), (40, 557822), (80, 278911)]