165432880

素因数分解:

$2^4\times 5^1\times {\mathrm{2067911}}^1$

素因数の和:2067924

約数の個数: 20

約数和(自身を含む): 384631632

約数和(自身を除く): 219198752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2067911, 4135822, 8271644, 10339555, 16543288, 20679110, 33086576, 41358220, 82716440, 165432880]

約数ペア:

[(1, 165432880), (2, 82716440), (4, 41358220), (5, 33086576), (8, 20679110), (10, 16543288), (16, 10339555), (20, 8271644), (40, 4135822), (80, 2067911)]