8279240

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{787}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 18722880

約数和(自身を除く): 10443640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 787, 1052, 1315, 1574, 2104, 2630, 3148, 3935, 5260, 6296, 7870, 10520, 15740, 31480, 206981, 413962, 827924, 1034905, 1655848, 2069810, 4139620, 8279240]

約数ペア:

[(1, 8279240), (2, 4139620), (4, 2069810), (5, 1655848), (8, 1034905), (10, 827924), (20, 413962), (40, 206981), (263, 31480), (526, 15740), (787, 10520), (1052, 7870), (1315, 6296), (1574, 5260), (2104, 3935), (2630, 3148)]