28667620

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{5101}}^1$

素因数の和:5391

約数の個数: 24

約数和(自身を含む): 60428088

約数和(自身を除く): 31760468

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5101, 5620, 10202, 20404, 25505, 51010, 102020, 1433381, 2866762, 5733524, 7166905, 14333810, 28667620]

約数ペア:

[(1, 28667620), (2, 14333810), (4, 7166905), (5, 5733524), (10, 2866762), (20, 1433381), (281, 102020), (562, 51010), (1124, 25505), (1405, 20404), (2810, 10202), (5101, 5620)]