80391260

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{5227}}^1$

素因数の和:6005

約数の個数: 24

約数和(自身を含む): 169073520

約数和(自身を除く): 88682260

約数列:

[1, 2, 4, 5, 10, 20, 769, 1538, 3076, 3845, 5227, 7690, 10454, 15380, 20908, 26135, 52270, 104540, 4019563, 8039126, 16078252, 20097815, 40195630, 80391260]

約数ペア:

[(1, 80391260), (2, 40195630), (4, 20097815), (5, 16078252), (10, 8039126), (20, 4019563), (769, 104540), (1538, 52270), (3076, 26135), (3845, 20908), (5227, 15380), (7690, 10454)]