20081991550

素因数分解:

$2^1\times 5^2\times {\mathrm{401639831}}^1$

素因数の和:401639843

約数の個数: 12

約数和(自身を含む): 37352504376

約数和(自身を除く): 17270512826

約数列:

[1, 2, 5, 10, 25, 50, 401639831, 803279662, 2008199155, 4016398310, 10040995775, 20081991550]

約数ペア:

[(1, 20081991550), (2, 10040995775), (5, 4016398310), (10, 2008199155), (25, 803279662), (50, 401639831)]