81196025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3637}}^1$

素因数の和:3713

約数の個数: 24

約数和(自身を含む): 108266880

約数和(自身を除く): 27070855

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 893, 1175, 3637, 4465, 18185, 22325, 69103, 90925, 170939, 345515, 854695, 1727575, 3247841, 4273475, 16239205, 81196025]

約数ペア:

[(1, 81196025), (5, 16239205), (19, 4273475), (25, 3247841), (47, 1727575), (95, 854695), (235, 345515), (475, 170939), (893, 90925), (1175, 69103), (3637, 22325), (4465, 18185)]