13246220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3919}}^1$

素因数の和:3954

約数の個数: 36

約数和(自身を含む): 30129120

約数和(自身を除く): 16882900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3919, 7838, 15676, 19595, 39190, 50947, 78380, 101894, 203788, 254735, 509470, 662311, 1018940, 1324622, 2649244, 3311555, 6623110, 13246220]

約数ペア:

[(1, 13246220), (2, 6623110), (4, 3311555), (5, 2649244), (10, 1324622), (13, 1018940), (20, 662311), (26, 509470), (52, 254735), (65, 203788), (130, 101894), (169, 78380), (260, 50947), (338, 39190), (676, 19595), (845, 15676), (1690, 7838), (3380, 3919)]