123206960

素因数分解:

$2^4\times 5^1\times {\mathrm{1540087}}^1$

素因数の和:1540100

約数の個数: 20

約数和(自身を含む): 286456368

約数和(自身を除く): 163249408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1540087, 3080174, 6160348, 7700435, 12320696, 15400870, 24641392, 30801740, 61603480, 123206960]

約数ペア:

[(1, 123206960), (2, 61603480), (4, 30801740), (5, 24641392), (8, 15400870), (10, 12320696), (16, 7700435), (20, 6160348), (40, 3080174), (80, 1540087)]