123894040

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{11777}}^1$

素因数の和:12051

約数の個数: 32

約数和(自身を含む): 279845280

約数和(自身を除く): 155951240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 11777, 23554, 47108, 58885, 94216, 117770, 235540, 471080, 3097351, 6194702, 12389404, 15486755, 24778808, 30973510, 61947020, 123894040]

約数ペア:

[(1, 123894040), (2, 61947020), (4, 30973510), (5, 24778808), (8, 15486755), (10, 12389404), (20, 6194702), (40, 3097351), (263, 471080), (526, 235540), (1052, 117770), (1315, 94216), (2104, 58885), (2630, 47108), (5260, 23554), (10520, 11777)]