27828860

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1433}}^1$

素因数の和:2413

約数の個数: 24

約数和(自身を含む): 58541616

約数和(自身を除く): 30712756

約数列:

[1, 2, 4, 5, 10, 20, 971, 1433, 1942, 2866, 3884, 4855, 5732, 7165, 9710, 14330, 19420, 28660, 1391443, 2782886, 5565772, 6957215, 13914430, 27828860]

約数ペア:

[(1, 27828860), (2, 13914430), (4, 6957215), (5, 5565772), (10, 2782886), (20, 1391443), (971, 28660), (1433, 19420), (1942, 14330), (2866, 9710), (3884, 7165), (4855, 5732)]