28642020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43397}}^1$

素因数の和:43420

約数の個数: 48

約数和(自身を含む): 87490368

約数和(自身を除く): 58848348

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 43397, 86794, 130191, 173588, 216985, 260382, 433970, 477367, 520764, 650955, 867940, 954734, 1301910, 1432101, 1909468, 2386835, 2603820, 2864202, 4773670, 5728404, 7160505, 9547340, 14321010, 28642020]

約数ペア:

[(1, 28642020), (2, 14321010), (3, 9547340), (4, 7160505), (5, 5728404), (6, 4773670), (10, 2864202), (11, 2603820), (12, 2386835), (15, 1909468), (20, 1432101), (22, 1301910), (30, 954734), (33, 867940), (44, 650955), (55, 520764), (60, 477367), (66, 433970), (110, 260382), (132, 216985), (165, 173588), (220, 130191), (330, 86794), (660, 43397)]