25305625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2170

約数の個数: 20

約数和(自身を含む): 33301840

約数和(自身を除く): 7996215

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 2131, 2375, 10655, 11875, 40489, 53275, 202445, 266375, 1012225, 1331875, 5061125, 25305625]

約数ペア:

[(1, 25305625), (5, 5061125), (19, 1331875), (25, 1012225), (95, 266375), (125, 202445), (475, 53275), (625, 40489), (2131, 11875), (2375, 10655)]