165686960

素因数分解:

$2^4\times 5^1\times {\mathrm{2071087}}^1$

素因数の和:2071100

約数の個数: 20

約数和(自身を含む): 385222368

約数和(自身を除く): 219535408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2071087, 4142174, 8284348, 10355435, 16568696, 20710870, 33137392, 41421740, 82843480, 165686960]

約数ペア:

[(1, 165686960), (2, 82843480), (4, 41421740), (5, 33137392), (8, 20710870), (10, 16568696), (16, 10355435), (20, 8284348), (40, 4142174), (80, 2071087)]