204125

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 16

約数和(自身を含む): 269568

約数和(自身を除く): 65443

約数列:

[1, 5, 23, 25, 71, 115, 125, 355, 575, 1633, 1775, 2875, 8165, 8875, 40825, 204125]

約数ペア:

[(1, 204125), (5, 40825), (23, 8875), (25, 8165), (71, 2875), (115, 1775), (125, 1633), (355, 575)]