264516996860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{66461557}}^1$

素因数の和:66461765

約数の個数: 24

約数和(自身を含む): 558277087200

約数和(自身を除く): 293760090340

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 66461557, 132923114, 265846228, 332307785, 664615570, 1329231140, 13225849843, 26451699686, 52903399372, 66129249215, 132258498430, 264516996860]

約数ペア:

[(1, 264516996860), (2, 132258498430), (4, 66129249215), (5, 52903399372), (10, 26451699686), (20, 13225849843), (199, 1329231140), (398, 664615570), (796, 332307785), (995, 265846228), (1990, 132923114), (3980, 66461557)]