8642660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2557}}^1$

素因数の和:2592

約数の個数: 36

約数和(自身を含む): 19660788

約数和(自身を除く): 11018128

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2557, 3380, 5114, 10228, 12785, 25570, 33241, 51140, 66482, 132964, 166205, 332410, 432133, 664820, 864266, 1728532, 2160665, 4321330, 8642660]

約数ペア:

[(1, 8642660), (2, 4321330), (4, 2160665), (5, 1728532), (10, 864266), (13, 664820), (20, 432133), (26, 332410), (52, 166205), (65, 132964), (130, 66482), (169, 51140), (260, 33241), (338, 25570), (676, 12785), (845, 10228), (1690, 5114), (2557, 3380)]