12720200

素因数分解:

$2^3\times 5^2\times {\mathrm{63601}}^1$

素因数の和:63617

約数の個数: 24

約数和(自身を含む): 29574930

約数和(自身を除く): 16854730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 63601, 127202, 254404, 318005, 508808, 636010, 1272020, 1590025, 2544040, 3180050, 6360100, 12720200]

約数ペア:

[(1, 12720200), (2, 6360100), (4, 3180050), (5, 2544040), (8, 1590025), (10, 1272020), (20, 636010), (25, 508808), (40, 318005), (50, 254404), (100, 127202), (200, 63601)]