16226440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5557}}^1$

素因数の和:5641

約数の個数: 32

約数和(自身を含む): 37016280

約数和(自身を除く): 20789840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5557, 11114, 22228, 27785, 44456, 55570, 111140, 222280, 405661, 811322, 1622644, 2028305, 3245288, 4056610, 8113220, 16226440]

約数ペア:

[(1, 16226440), (2, 8113220), (4, 4056610), (5, 3245288), (8, 2028305), (10, 1622644), (20, 811322), (40, 405661), (73, 222280), (146, 111140), (292, 55570), (365, 44456), (584, 27785), (730, 22228), (1460, 11114), (2920, 5557)]