81867925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{823}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 106671744

約数和(自身を除く): 24803819

約数列:

[1, 5, 23, 25, 115, 173, 575, 823, 865, 3979, 4115, 4325, 18929, 19895, 20575, 94645, 99475, 142379, 473225, 711895, 3274717, 3559475, 16373585, 81867925]

約数ペア:

[(1, 81867925), (5, 16373585), (23, 3559475), (25, 3274717), (115, 711895), (173, 473225), (575, 142379), (823, 99475), (865, 94645), (3979, 20575), (4115, 19895), (4325, 18929)]