12748280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6781}}^1$

素因数の和:6839

約数の個数: 32

約数和(自身を含む): 29298240

約数和(自身を除く): 16549960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 6781, 13562, 27124, 33905, 54248, 67810, 135620, 271240, 318707, 637414, 1274828, 1593535, 2549656, 3187070, 6374140, 12748280]

約数ペア:

[(1, 12748280), (2, 6374140), (4, 3187070), (5, 2549656), (8, 1593535), (10, 1274828), (20, 637414), (40, 318707), (47, 271240), (94, 135620), (188, 67810), (235, 54248), (376, 33905), (470, 27124), (940, 13562), (1880, 6781)]