28777180

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3323}}^1$

素因数の和:3765

約数の個数: 24

約数和(自身を含む): 60589872

約数和(自身を除く): 31812692

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 3323, 4330, 6646, 8660, 13292, 16615, 33230, 66460, 1438859, 2877718, 5755436, 7194295, 14388590, 28777180]

約数ペア:

[(1, 28777180), (2, 14388590), (4, 7194295), (5, 5755436), (10, 2877718), (20, 1438859), (433, 66460), (866, 33230), (1732, 16615), (2165, 13292), (3323, 8660), (4330, 6646)]