12661880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4111}}^1$

素因数の和:4140

約数の個数: 64

約数和(自身を含む): 35527680

約数和(自身を除く): 22865800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 4111, 8222, 16444, 20555, 28777, 32888, 41110, 45221, 57554, 82220, 90442, 115108, 143885, 164440, 180884, 226105, 230216, 287770, 316547, 361768, 452210, 575540, 633094, 904420, 1151080, 1266188, 1582735, 1808840, 2532376, 3165470, 6330940, 12661880]

約数ペア:

[(1, 12661880), (2, 6330940), (4, 3165470), (5, 2532376), (7, 1808840), (8, 1582735), (10, 1266188), (11, 1151080), (14, 904420), (20, 633094), (22, 575540), (28, 452210), (35, 361768), (40, 316547), (44, 287770), (55, 230216), (56, 226105), (70, 180884), (77, 164440), (88, 143885), (110, 115108), (140, 90442), (154, 82220), (220, 57554), (280, 45221), (308, 41110), (385, 32888), (440, 28777), (616, 20555), (770, 16444), (1540, 8222), (3080, 4111)]