1222540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5557}}^1$

素因数の和:5577

約数の個数: 24

約数和(自身を含む): 2801232

約数和(自身を除く): 1578692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5557, 11114, 22228, 27785, 55570, 61127, 111140, 122254, 244508, 305635, 611270, 1222540]

約数ペア:

[(1, 1222540), (2, 611270), (4, 305635), (5, 244508), (10, 122254), (11, 111140), (20, 61127), (22, 55570), (44, 27785), (55, 22228), (110, 11114), (220, 5557)]