12771280

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 29855232

約数和(自身を除く): 17083952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 607, 1052, 1214, 1315, 2104, 2428, 2630, 3035, 4208, 4856, 5260, 6070, 9712, 10520, 12140, 21040, 24280, 48560, 159641, 319282, 638564, 798205, 1277128, 1596410, 2554256, 3192820, 6385640, 12771280]

約数ペア:

[(1, 12771280), (2, 6385640), (4, 3192820), (5, 2554256), (8, 1596410), (10, 1277128), (16, 798205), (20, 638564), (40, 319282), (80, 159641), (263, 48560), (526, 24280), (607, 21040), (1052, 12140), (1214, 10520), (1315, 9712), (2104, 6070), (2428, 5260), (2630, 4856), (3035, 4208)]