9789040

素因数分解:

$2^4\times 5^1\times {\mathrm{122363}}^1$

素因数の和:122376

約数の個数: 20

約数和(自身を含む): 22759704

約数和(自身を除く): 12970664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122363, 244726, 489452, 611815, 978904, 1223630, 1957808, 2447260, 4894520, 9789040]

約数ペア:

[(1, 9789040), (2, 4894520), (4, 2447260), (5, 1957808), (8, 1223630), (10, 978904), (16, 611815), (20, 489452), (40, 244726), (80, 122363)]