87620725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{677}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 112992768

約数和(自身を除く): 25372043

約数列:

[1, 5, 25, 31, 155, 167, 677, 775, 835, 3385, 4175, 5177, 16925, 20987, 25885, 104935, 113059, 129425, 524675, 565295, 2826475, 3504829, 17524145, 87620725]

約数ペア:

[(1, 87620725), (5, 17524145), (25, 3504829), (31, 2826475), (155, 565295), (167, 524675), (677, 129425), (775, 113059), (835, 104935), (3385, 25885), (4175, 20987), (5177, 16925)]