1664014725140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1770228431}}^1$

素因数の和:1770228487

約数の個数: 24

約数和(自身を含む): 3568780518912

約数和(自身を除く): 1904765793772

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1770228431, 3540456862, 7080913724, 8851142155, 17702284310, 35404568620, 83200736257, 166401472514, 332802945028, 416003681285, 832007362570, 1664014725140]

約数ペア:

[(1, 1664014725140), (2, 832007362570), (4, 416003681285), (5, 332802945028), (10, 166401472514), (20, 83200736257), (47, 35404568620), (94, 17702284310), (188, 8851142155), (235, 7080913724), (470, 3540456862), (940, 1770228431)]