201516440

素因数分解:

$2^3\times 5^1\times {\mathrm{5037911}}^1$

素因数の和:5037922

約数の個数: 16

約数和(自身を含む): 453412080

約数和(自身を除く): 251895640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5037911, 10075822, 20151644, 25189555, 40303288, 50379110, 100758220, 201516440]

約数ペア:

[(1, 201516440), (2, 100758220), (4, 50379110), (5, 40303288), (8, 25189555), (10, 20151644), (20, 10075822), (40, 5037911)]