16197800

素因数分解:

$2^3\times 5^2\times {\mathrm{80989}}^1$

素因数の和:81005

約数の個数: 24

約数和(自身を含む): 37660350

約数和(自身を除く): 21462550

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 80989, 161978, 323956, 404945, 647912, 809890, 1619780, 2024725, 3239560, 4049450, 8098900, 16197800]

約数ペア:

[(1, 16197800), (2, 8098900), (4, 4049450), (5, 3239560), (8, 2024725), (10, 1619780), (20, 809890), (25, 647912), (40, 404945), (50, 323956), (100, 161978), (200, 80989)]