85323020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{39139}}^1$

素因数の和:39257

約数の個数: 24

約数和(自身を含む): 180826800

約数和(自身を除く): 95503780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 39139, 78278, 156556, 195695, 391390, 782780, 4266151, 8532302, 17064604, 21330755, 42661510, 85323020]

約数ペア:

[(1, 85323020), (2, 42661510), (4, 21330755), (5, 17064604), (10, 8532302), (20, 4266151), (109, 782780), (218, 391390), (436, 195695), (545, 156556), (1090, 78278), (2180, 39139)]