201999925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2137}}^1$

素因数の和:2365

約数の個数: 24

約数和(自身を含む): 265112000

約数和(自身を除く): 63112075

約数列:

[1, 5, 19, 25, 95, 199, 475, 995, 2137, 3781, 4975, 10685, 18905, 40603, 53425, 94525, 203015, 425263, 1015075, 2126315, 8079997, 10631575, 40399985, 201999925]

約数ペア:

[(1, 201999925), (5, 40399985), (19, 10631575), (25, 8079997), (95, 2126315), (199, 1015075), (475, 425263), (995, 203015), (2137, 94525), (3781, 53425), (4975, 40603), (10685, 18905)]