2631025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 3571200

約数和(自身を除く): 940175

約数列:

[1, 5, 19, 25, 29, 95, 145, 191, 475, 551, 725, 955, 2755, 3629, 4775, 5539, 13775, 18145, 27695, 90725, 105241, 138475, 526205, 2631025]

約数ペア:

[(1, 2631025), (5, 526205), (19, 138475), (25, 105241), (29, 90725), (95, 27695), (145, 18145), (191, 13775), (475, 5539), (551, 4775), (725, 3629), (955, 2755)]