66600440

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{8627}}^1$

素因数の和:8831

約数の個数: 32

約数和(自身を含む): 150644880

約数和(自身を除く): 84044440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 8627, 17254, 34508, 43135, 69016, 86270, 172540, 345080, 1665011, 3330022, 6660044, 8325055, 13320088, 16650110, 33300220, 66600440]

約数ペア:

[(1, 66600440), (2, 33300220), (4, 16650110), (5, 13320088), (8, 8325055), (10, 6660044), (20, 3330022), (40, 1665011), (193, 345080), (386, 172540), (772, 86270), (965, 69016), (1544, 43135), (1930, 34508), (3860, 17254), (7720, 8627)]