81090575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5507}}^1$

素因数の和:5567

約数の個数: 24

約数和(自身を含む): 109278720

約数和(自身を除く): 28188145

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 2945, 5507, 14725, 27535, 104633, 137675, 170717, 523165, 853585, 2615825, 3243623, 4267925, 16218115, 81090575]

約数ペア:

[(1, 81090575), (5, 16218115), (19, 4267925), (25, 3243623), (31, 2615825), (95, 853585), (155, 523165), (475, 170717), (589, 137675), (775, 104633), (2945, 27535), (5507, 14725)]