129009086980

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{9097961}}^1$

素因数の和:9098679

約数の個数: 24

約数和(自身を含む): 271301226840

約数和(自身を除く): 142292139860

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 7090, 14180, 9097961, 18195922, 36391844, 45489805, 90979610, 181959220, 6450454349, 12900908698, 25801817396, 32252271745, 64504543490, 129009086980]

約数ペア:

[(1, 129009086980), (2, 64504543490), (4, 32252271745), (5, 25801817396), (10, 12900908698), (20, 6450454349), (709, 181959220), (1418, 90979610), (2836, 45489805), (3545, 36391844), (7090, 18195922), (14180, 9097961)]