168236440

素因数分解:

$2^3\times 5^1\times {\mathrm{4205911}}^1$

素因数の和:4205922

約数の個数: 16

約数和(自身を含む): 378532080

約数和(自身を除く): 210295640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4205911, 8411822, 16823644, 21029555, 33647288, 42059110, 84118220, 168236440]

約数ペア:

[(1, 168236440), (2, 84118220), (4, 42059110), (5, 33647288), (8, 21029555), (10, 16823644), (20, 8411822), (40, 4205911)]