85212620

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{4937}}^1$

素因数の和:5809

約数の個数: 24

約数和(自身を含む): 179190144

約数和(自身を除く): 93977524

約数列:

[1, 2, 4, 5, 10, 20, 863, 1726, 3452, 4315, 4937, 8630, 9874, 17260, 19748, 24685, 49370, 98740, 4260631, 8521262, 17042524, 21303155, 42606310, 85212620]

約数ペア:

[(1, 85212620), (2, 42606310), (4, 21303155), (5, 17042524), (10, 8521262), (20, 4260631), (863, 98740), (1726, 49370), (3452, 24685), (4315, 19748), (4937, 17260), (8630, 9874)]