159356440

素因数分解:

$2^3\times 5^1\times {\mathrm{3983911}}^1$

素因数の和:3983922

約数の個数: 16

約数和(自身を含む): 358552080

約数和(自身を除く): 199195640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3983911, 7967822, 15935644, 19919555, 31871288, 39839110, 79678220, 159356440]

約数ペア:

[(1, 159356440), (2, 79678220), (4, 39839110), (5, 31871288), (8, 19919555), (10, 15935644), (20, 7967822), (40, 3983911)]