205505320

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{13999}}^1$

素因数の和:14377

約数の個数: 32

約数和(自身を含む): 463680000

約数和(自身を除く): 258174680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 7340, 13999, 14680, 27998, 55996, 69995, 111992, 139990, 279980, 559960, 5137633, 10275266, 20550532, 25688165, 41101064, 51376330, 102752660, 205505320]

約数ペア:

[(1, 205505320), (2, 102752660), (4, 51376330), (5, 41101064), (8, 25688165), (10, 20550532), (20, 10275266), (40, 5137633), (367, 559960), (734, 279980), (1468, 139990), (1835, 111992), (2936, 69995), (3670, 55996), (7340, 27998), (13999, 14680)]