2560778896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{17123}}^1$

素因数の和:17863

約数の個数: 40

約数和(自身を含む): 5350907520

約数和(自身を除く): 2790128624

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 719, 1438, 2876, 5752, 9347, 11504, 17123, 18694, 34246, 37388, 68492, 74776, 136984, 149552, 222599, 273968, 445198, 890396, 1780792, 3561584, 12311437, 24622874, 49245748, 98491496, 160048681, 196982992, 320097362, 640194724, 1280389448, 2560778896]

約数ペア:

[(1, 2560778896), (2, 1280389448), (4, 640194724), (8, 320097362), (13, 196982992), (16, 160048681), (26, 98491496), (52, 49245748), (104, 24622874), (208, 12311437), (719, 3561584), (1438, 1780792), (2876, 890396), (5752, 445198), (9347, 273968), (11504, 222599), (17123, 149552), (18694, 136984), (34246, 74776), (37388, 68492)]