2005188860

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{179999}}^1$

素因数の和:180565

約数の個数: 24

約数和(自身を含む): 4218480000

約数和(自身を除く): 2213291140

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 179999, 359998, 719996, 899995, 1799990, 3599980, 100259443, 200518886, 401037772, 501297215, 1002594430, 2005188860]

約数ペア:

[(1, 2005188860), (2, 1002594430), (4, 501297215), (5, 401037772), (10, 200518886), (20, 100259443), (557, 3599980), (1114, 1799990), (2228, 899995), (2785, 719996), (5570, 359998), (11140, 179999)]