85780975

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4759}}^1$

素因数の和:4879

約数の個数: 24

約数和(自身を含む): 122769920

約数和(自身を除く): 36988945

約数列:

[1, 5, 7, 25, 35, 103, 175, 515, 721, 2575, 3605, 4759, 18025, 23795, 33313, 118975, 166565, 490177, 832825, 2450885, 3431239, 12254425, 17156195, 85780975]

約数ペア:

[(1, 85780975), (5, 17156195), (7, 12254425), (25, 3431239), (35, 2450885), (103, 832825), (175, 490177), (515, 166565), (721, 118975), (2575, 33313), (3605, 23795), (4759, 18025)]