25183220

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{4481}}^1$

素因数の和:4771

約数の個数: 24

約数和(自身を含む): 53084808

約数和(自身を除く): 27901588

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 4481, 5620, 8962, 17924, 22405, 44810, 89620, 1259161, 2518322, 5036644, 6295805, 12591610, 25183220]

約数ペア:

[(1, 25183220), (2, 12591610), (4, 6295805), (5, 5036644), (10, 2518322), (20, 1259161), (281, 89620), (562, 44810), (1124, 22405), (1405, 17924), (2810, 8962), (4481, 5620)]