38387620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17609}}^1$

素因数の和:17727

約数の個数: 24

約数和(自身を含む): 81358200

約数和(自身を除く): 42970580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 17609, 35218, 70436, 88045, 176090, 352180, 1919381, 3838762, 7677524, 9596905, 19193810, 38387620]

約数ペア:

[(1, 38387620), (2, 19193810), (4, 9596905), (5, 7677524), (10, 3838762), (20, 1919381), (109, 352180), (218, 176090), (436, 88045), (545, 70436), (1090, 35218), (2180, 17609)]