890265080

素因数分解:

$2^3\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{12653}}^1$

素因数の和:14423

約数の個数: 32

約数和(自身を含む): 2004393600

約数和(自身を除く): 1114128520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1759, 3518, 7036, 8795, 12653, 14072, 17590, 25306, 35180, 50612, 63265, 70360, 101224, 126530, 253060, 506120, 22256627, 44513254, 89026508, 111283135, 178053016, 222566270, 445132540, 890265080]

約数ペア:

[(1, 890265080), (2, 445132540), (4, 222566270), (5, 178053016), (8, 111283135), (10, 89026508), (20, 44513254), (40, 22256627), (1759, 506120), (3518, 253060), (7036, 126530), (8795, 101224), (12653, 70360), (14072, 63265), (17590, 50612), (25306, 35180)]