28511480

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1609}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 64335600

約数和(自身を除く): 35824120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1609, 1772, 2215, 3218, 3544, 4430, 6436, 8045, 8860, 12872, 16090, 17720, 32180, 64360, 712787, 1425574, 2851148, 3563935, 5702296, 7127870, 14255740, 28511480]

約数ペア:

[(1, 28511480), (2, 14255740), (4, 7127870), (5, 5702296), (8, 3563935), (10, 2851148), (20, 1425574), (40, 712787), (443, 64360), (886, 32180), (1609, 17720), (1772, 16090), (2215, 12872), (3218, 8860), (3544, 8045), (4430, 6436)]