81125750

素因数分解:

$2^1\times 5^3\times {\mathrm{324503}}^1$

素因数の和:324520

約数の個数: 16

約数和(自身を含む): 151867872

約数和(自身を除く): 70742122

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 324503, 649006, 1622515, 3245030, 8112575, 16225150, 40562875, 81125750]

約数ペア:

[(1, 81125750), (2, 40562875), (5, 16225150), (10, 8112575), (25, 3245030), (50, 1622515), (125, 649006), (250, 324503)]