25272820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{29387}}^1$

素因数の和:29439

約数の個数: 24

約数和(自身を含む): 54309024

約数和(自身を除く): 29036204

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 29387, 58774, 117548, 146935, 293870, 587740, 1263641, 2527282, 5054564, 6318205, 12636410, 25272820]

約数ペア:

[(1, 25272820), (2, 12636410), (4, 6318205), (5, 5054564), (10, 2527282), (20, 1263641), (43, 587740), (86, 293870), (172, 146935), (215, 117548), (430, 58774), (860, 29387)]