840232880

素因数分解:

$2^4\times 5^1\times {\mathrm{10502911}}^1$

素因数の和:10502924

約数の個数: 20

約数和(自身を含む): 1953541632

約数和(自身を除く): 1113308752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10502911, 21005822, 42011644, 52514555, 84023288, 105029110, 168046576, 210058220, 420116440, 840232880]

約数ペア:

[(1, 840232880), (2, 420116440), (4, 210058220), (5, 168046576), (8, 105029110), (10, 84023288), (16, 52514555), (20, 42011644), (40, 21005822), (80, 10502911)]