144326920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83911}}^1$

素因数の和:83965

約数の個数: 32

約数和(自身を含む): 332291520

約数和(自身を除く): 187964600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 83911, 167822, 335644, 419555, 671288, 839110, 1678220, 3356440, 3608173, 7216346, 14432692, 18040865, 28865384, 36081730, 72163460, 144326920]

約数ペア:

[(1, 144326920), (2, 72163460), (4, 36081730), (5, 28865384), (8, 18040865), (10, 14432692), (20, 7216346), (40, 3608173), (43, 3356440), (86, 1678220), (172, 839110), (215, 671288), (344, 419555), (430, 335644), (860, 167822), (1720, 83911)]