81057925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{563}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 108680544

約数和(自身を除く): 27622619

約数列:

[1, 5, 13, 25, 65, 325, 443, 563, 2215, 2815, 5759, 7319, 11075, 14075, 28795, 36595, 143975, 182975, 249409, 1247045, 3242317, 6235225, 16211585, 81057925]

約数ペア:

[(1, 81057925), (5, 16211585), (13, 6235225), (25, 3242317), (65, 1247045), (325, 249409), (443, 182975), (563, 143975), (2215, 36595), (2815, 28795), (5759, 14075), (7319, 11075)]