268982020

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{10181}}^1$

素因数の和:11511

約数の個数: 24

約数和(自身を含む): 565345368

約数和(自身を除く): 296363348

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 5284, 6605, 10181, 13210, 20362, 26420, 40724, 50905, 101810, 203620, 13449101, 26898202, 53796404, 67245505, 134491010, 268982020]

約数ペア:

[(1, 268982020), (2, 134491010), (4, 67245505), (5, 53796404), (10, 26898202), (20, 13449101), (1321, 203620), (2642, 101810), (5284, 50905), (6605, 40724), (10181, 26420), (13210, 20362)]