81512125

素因数分解:

$5^3\times {\mathrm{179}}^1\times {\mathrm{3643}}^1$

素因数の和:3837

約数の個数: 16

約数和(自身を含む): 102323520

約数和(自身を除く): 20811395

約数列:

[1, 5, 25, 125, 179, 895, 3643, 4475, 18215, 22375, 91075, 455375, 652097, 3260485, 16302425, 81512125]

約数ペア:

[(1, 81512125), (5, 16302425), (25, 3260485), (125, 652097), (179, 455375), (895, 91075), (3643, 22375), (4475, 18215)]