1271309260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{376127}}^1$

素因数の和:376162

約数の個数: 36

約数和(自身を含む): 2890919808

約数和(自身を除く): 1619610548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 376127, 752254, 1504508, 1880635, 3761270, 4889651, 7522540, 9779302, 19558604, 24448255, 48896510, 63565463, 97793020, 127130926, 254261852, 317827315, 635654630, 1271309260]

約数ペア:

[(1, 1271309260), (2, 635654630), (4, 317827315), (5, 254261852), (10, 127130926), (13, 97793020), (20, 63565463), (26, 48896510), (52, 24448255), (65, 19558604), (130, 9779302), (169, 7522540), (260, 4889651), (338, 3761270), (676, 1880635), (845, 1504508), (1690, 752254), (3380, 376127)]