66086740

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{7459}}^1$

素因数の和:7911

約数の個数: 24

約数和(自身を含む): 139114080

約数和(自身を除く): 73027340

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 7459, 8860, 14918, 29836, 37295, 74590, 149180, 3304337, 6608674, 13217348, 16521685, 33043370, 66086740]

約数ペア:

[(1, 66086740), (2, 33043370), (4, 16521685), (5, 13217348), (10, 6608674), (20, 3304337), (443, 149180), (886, 74590), (1772, 37295), (2215, 29836), (4430, 14918), (7459, 8860)]