206532440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{120077}}^1$

素因数の和:120131

約数の個数: 32

約数和(自身を含む): 475508880

約数和(自身を除く): 268976440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 120077, 240154, 480308, 600385, 960616, 1200770, 2401540, 4803080, 5163311, 10326622, 20653244, 25816555, 41306488, 51633110, 103266220, 206532440]

約数ペア:

[(1, 206532440), (2, 103266220), (4, 51633110), (5, 41306488), (8, 25816555), (10, 20653244), (20, 10326622), (40, 5163311), (43, 4803080), (86, 2401540), (172, 1200770), (215, 960616), (344, 600385), (430, 480308), (860, 240154), (1720, 120077)]