4139620

素因数分解:

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

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 8737344

約数和(自身を除く): 4597724

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 787, 1052, 1315, 1574, 2630, 3148, 3935, 5260, 7870, 15740, 206981, 413962, 827924, 1034905, 2069810, 4139620]

約数ペア:

[(1, 4139620), (2, 2069810), (4, 1034905), (5, 827924), (10, 413962), (20, 206981), (263, 15740), (526, 7870), (787, 5260), (1052, 3935), (1315, 3148), (1574, 2630)]