129026440

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{5669}}^1$

素因数の和:6249

約数の個数: 32

約数和(自身を含む): 290871000

約数和(自身を除く): 161844560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5669, 5690, 11338, 11380, 22676, 22760, 28345, 45352, 56690, 113380, 226760, 3225661, 6451322, 12902644, 16128305, 25805288, 32256610, 64513220, 129026440]

約数ペア:

[(1, 129026440), (2, 64513220), (4, 32256610), (5, 25805288), (8, 16128305), (10, 12902644), (20, 6451322), (40, 3225661), (569, 226760), (1138, 113380), (2276, 56690), (2845, 45352), (4552, 28345), (5669, 22760), (5690, 22676), (11338, 11380)]