85258220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{60041}}^1$

素因数の和:60121

約数の個数: 24

約数和(自身を含む): 181567008

約数和(自身を除く): 96308788

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 60041, 120082, 240164, 300205, 600410, 1200820, 4262911, 8525822, 17051644, 21314555, 42629110, 85258220]

約数ペア:

[(1, 85258220), (2, 42629110), (4, 21314555), (5, 17051644), (10, 8525822), (20, 4262911), (71, 1200820), (142, 600410), (284, 300205), (355, 240164), (710, 120082), (1420, 60041)]