2647731040

素因数分解:

$2^5\times 5^1\times {\mathrm{647}}^1\times {\mathrm{25577}}^1$

素因数の和:26239

約数の個数: 48

約数和(自身を含む): 6265177632

約数和(自身を除く): 3617446592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 647, 1294, 2588, 3235, 5176, 6470, 10352, 12940, 20704, 25577, 25880, 51154, 51760, 102308, 103520, 127885, 204616, 255770, 409232, 511540, 818464, 1023080, 2046160, 4092320, 16548319, 33096638, 66193276, 82741595, 132386552, 165483190, 264773104, 330966380, 529546208, 661932760, 1323865520, 2647731040]

約数ペア:

[(1, 2647731040), (2, 1323865520), (4, 661932760), (5, 529546208), (8, 330966380), (10, 264773104), (16, 165483190), (20, 132386552), (32, 82741595), (40, 66193276), (80, 33096638), (160, 16548319), (647, 4092320), (1294, 2046160), (2588, 1023080), (3235, 818464), (5176, 511540), (6470, 409232), (10352, 255770), (12940, 204616), (20704, 127885), (25577, 103520), (25880, 102308), (51154, 51760)]