28108100

素因数分解:

$2^2\times 5^2\times {\mathrm{281081}}^1$

素因数の和:281095

約数の個数: 18

約数和(自身を含む): 60994794

約数和(自身を除く): 32886694

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 281081, 562162, 1124324, 1405405, 2810810, 5621620, 7027025, 14054050, 28108100]

約数ペア:

[(1, 28108100), (2, 14054050), (4, 7027025), (5, 5621620), (10, 2810810), (20, 1405405), (25, 1124324), (50, 562162), (100, 281081)]