80520675

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37021}}^1$

素因数の和:37063

約数の個数: 24

約数和(自身を含む): 137721840

約数和(自身を除く): 57201165

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 37021, 111063, 185105, 555315, 925525, 1073609, 2776575, 3220827, 5368045, 16104135, 26840225, 80520675]

約数ペア:

[(1, 80520675), (3, 26840225), (5, 16104135), (15, 5368045), (25, 3220827), (29, 2776575), (75, 1073609), (87, 925525), (145, 555315), (435, 185105), (725, 111063), (2175, 37021)]