80640208

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1864

約数の個数: 60

約数和(自身を含む): 179301024

約数和(自身を除く): 98660816

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 484, 506, 968, 1012, 1811, 1936, 2024, 2783, 3622, 4048, 5566, 7244, 11132, 14488, 19921, 22264, 28976, 39842, 41653, 44528, 79684, 83306, 159368, 166612, 219131, 318736, 333224, 438262, 458183, 666448, 876524, 916366, 1753048, 1832732, 3506096, 3665464, 5040013, 7330928, 10080026, 20160052, 40320104, 80640208]

約数ペア:

[(1, 80640208), (2, 40320104), (4, 20160052), (8, 10080026), (11, 7330928), (16, 5040013), (22, 3665464), (23, 3506096), (44, 1832732), (46, 1753048), (88, 916366), (92, 876524), (121, 666448), (176, 458183), (184, 438262), (242, 333224), (253, 318736), (368, 219131), (484, 166612), (506, 159368), (968, 83306), (1012, 79684), (1811, 44528), (1936, 41653), (2024, 39842), (2783, 28976), (3622, 22264), (4048, 19921), (5566, 14488), (7244, 11132)]