80920048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1789}}^1$

素因数の和:2065

約数の個数: 40

約数和(自身を含む): 171797040

約数和(自身を除く): 90876992

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 257, 514, 1028, 1789, 2056, 2827, 3578, 4112, 5654, 7156, 11308, 14312, 19679, 22616, 28624, 39358, 45232, 78716, 157432, 314864, 459773, 919546, 1839092, 3678184, 5057503, 7356368, 10115006, 20230012, 40460024, 80920048]

約数ペア:

[(1, 80920048), (2, 40460024), (4, 20230012), (8, 10115006), (11, 7356368), (16, 5057503), (22, 3678184), (44, 1839092), (88, 919546), (176, 459773), (257, 314864), (514, 157432), (1028, 78716), (1789, 45232), (2056, 39358), (2827, 28624), (3578, 22616), (4112, 19679), (5654, 14312), (7156, 11308)]