80549968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1031}}^1$

素因数の和:1315

約数の個数: 40

約数和(自身を含む): 165078720

約数和(自身を除く): 84528752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 257, 304, 514, 1028, 1031, 2056, 2062, 4112, 4124, 4883, 8248, 9766, 16496, 19532, 19589, 39064, 39178, 78128, 78356, 156712, 264967, 313424, 529934, 1059868, 2119736, 4239472, 5034373, 10068746, 20137492, 40274984, 80549968]

約数ペア:

[(1, 80549968), (2, 40274984), (4, 20137492), (8, 10068746), (16, 5034373), (19, 4239472), (38, 2119736), (76, 1059868), (152, 529934), (257, 313424), (304, 264967), (514, 156712), (1028, 78356), (1031, 78128), (2056, 39178), (2062, 39064), (4112, 19589), (4124, 19532), (4883, 16496), (8248, 9766)]