128539510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{2591}}^1$

素因数の和:2661

約数の個数: 48

約数和(自身を含む): 260620416

約数和(自身を除く): 132080906

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 121, 205, 242, 410, 451, 605, 902, 1210, 2255, 2591, 4510, 4961, 5182, 9922, 12955, 24805, 25910, 28501, 49610, 57002, 106231, 142505, 212462, 285010, 313511, 531155, 627022, 1062310, 1168541, 1567555, 2337082, 3135110, 5842705, 11685410, 12853951, 25707902, 64269755, 128539510]

約数ペア:

[(1, 128539510), (2, 64269755), (5, 25707902), (10, 12853951), (11, 11685410), (22, 5842705), (41, 3135110), (55, 2337082), (82, 1567555), (110, 1168541), (121, 1062310), (205, 627022), (242, 531155), (410, 313511), (451, 285010), (605, 212462), (902, 142505), (1210, 106231), (2255, 57002), (2591, 49610), (4510, 28501), (4961, 25910), (5182, 24805), (9922, 12955)]