2004925

素因数分解:

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

素因数の和:253

約数の個数: 24

約数和(自身を含む): 2777600

約数和(自身を除く): 772675

約数列:

[1, 5, 13, 25, 31, 65, 155, 199, 325, 403, 775, 995, 2015, 2587, 4975, 6169, 10075, 12935, 30845, 64675, 80197, 154225, 400985, 2004925]

約数ペア:

[(1, 2004925), (5, 400985), (13, 154225), (25, 80197), (31, 64675), (65, 30845), (155, 12935), (199, 10075), (325, 6169), (403, 4975), (775, 2587), (995, 2015)]