80792020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{55337}}^1$

素因数の和:55419

約数の個数: 24

約数和(自身を含む): 171990504

約数和(自身を除く): 91198484

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 55337, 110674, 221348, 276685, 553370, 1106740, 4039601, 8079202, 16158404, 20198005, 40396010, 80792020]

約数ペア:

[(1, 80792020), (2, 40396010), (4, 20198005), (5, 16158404), (10, 8079202), (20, 4039601), (73, 1106740), (146, 553370), (292, 276685), (365, 221348), (730, 110674), (1460, 55337)]