55040360

素因数分解:

$2^3\times 5^1\times {\mathrm{1376009}}^1$

素因数の和:1376020

約数の個数: 16

約数和(自身を含む): 123840900

約数和(自身を除く): 68800540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1376009, 2752018, 5504036, 6880045, 11008072, 13760090, 27520180, 55040360]

約数ペア:

[(1, 55040360), (2, 27520180), (4, 13760090), (5, 11008072), (8, 6880045), (10, 5504036), (20, 2752018), (40, 1376009)]