5212805

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 7027200

約数和(自身を除く): 1814395

約数列:

[1, 5, 13, 31, 65, 155, 169, 199, 403, 845, 995, 2015, 2587, 5239, 6169, 12935, 26195, 30845, 33631, 80197, 168155, 400985, 1042561, 5212805]

約数ペア:

[(1, 5212805), (5, 1042561), (13, 400985), (31, 168155), (65, 80197), (155, 33631), (169, 30845), (199, 26195), (403, 12935), (845, 6169), (995, 5239), (2015, 2587)]