5128175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 7082880

約数和(自身を除く): 1954705

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 509, 775, 2015, 2545, 6617, 10075, 12725, 15779, 33085, 78895, 165425, 205127, 394475, 1025635, 5128175]

約数ペア:

[(1, 5128175), (5, 1025635), (13, 394475), (25, 205127), (31, 165425), (65, 78895), (155, 33085), (325, 15779), (403, 12725), (509, 10075), (775, 6617), (2015, 2545)]