2445080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5557}}^1$

素因数の和:5579

約数の個数: 32

約数和(自身を含む): 6002640

約数和(自身を除く): 3557560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 5557, 11114, 22228, 27785, 44456, 55570, 61127, 111140, 122254, 222280, 244508, 305635, 489016, 611270, 1222540, 2445080]

約数ペア:

[(1, 2445080), (2, 1222540), (4, 611270), (5, 489016), (8, 305635), (10, 244508), (11, 222280), (20, 122254), (22, 111140), (40, 61127), (44, 55570), (55, 44456), (88, 27785), (110, 22228), (220, 11114), (440, 5557)]