13628080

素因数分解:

$2^4\times 5^1\times {\mathrm{170351}}^1$

素因数の和:170364

約数の個数: 20

約数和(自身を含む): 31685472

約数和(自身を除く): 18057392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 170351, 340702, 681404, 851755, 1362808, 1703510, 2725616, 3407020, 6814040, 13628080]

約数ペア:

[(1, 13628080), (2, 6814040), (4, 3407020), (5, 2725616), (8, 1703510), (10, 1362808), (16, 851755), (20, 681404), (40, 340702), (80, 170351)]