82381025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 106392000

約数和(自身を除く): 24010975

約数列:

[1, 5, 25, 29, 145, 199, 571, 725, 995, 2855, 4975, 5771, 14275, 16559, 28855, 82795, 113629, 144275, 413975, 568145, 2840725, 3295241, 16476205, 82381025]

約数ペア:

[(1, 82381025), (5, 16476205), (25, 3295241), (29, 2840725), (145, 568145), (199, 413975), (571, 144275), (725, 113629), (995, 82795), (2855, 28855), (4975, 16559), (5771, 14275)]