28228100

素因数分解:

$2^2\times 5^2\times {\mathrm{282281}}^1$

素因数の和:282295

約数の個数: 18

約数和(自身を含む): 61255194

約数和(自身を除く): 33027094

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 282281, 564562, 1129124, 1411405, 2822810, 5645620, 7057025, 14114050, 28228100]

約数ペア:

[(1, 28228100), (2, 14114050), (4, 7057025), (5, 5645620), (10, 2822810), (20, 1411405), (25, 1129124), (50, 564562), (100, 282281)]