85141520

素因数分解:

$2^4\times 5^1\times {\mathrm{1064269}}^1$

素因数の和:1064282

約数の個数: 20

約数和(自身を含む): 197954220

約数和(自身を除く): 112812700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1064269, 2128538, 4257076, 5321345, 8514152, 10642690, 17028304, 21285380, 42570760, 85141520]

約数ペア:

[(1, 85141520), (2, 42570760), (4, 21285380), (5, 17028304), (8, 10642690), (10, 8514152), (16, 5321345), (20, 4257076), (40, 2128538), (80, 1064269)]