85217900

素因数分解:

$2^2\times 5^2\times {\mathrm{852179}}^1$

素因数の和:852193

約数の個数: 18

約数和(自身を含む): 184923060

約数和(自身を除く): 99705160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 852179, 1704358, 3408716, 4260895, 8521790, 17043580, 21304475, 42608950, 85217900]

約数ペア:

[(1, 85217900), (2, 42608950), (4, 21304475), (5, 17043580), (10, 8521790), (20, 4260895), (25, 3408716), (50, 1704358), (100, 852179)]