13509040

素因数分解:

$2^4\times 5^1\times {\mathrm{168863}}^1$

素因数の和:168876

約数の個数: 20

約数和(自身を含む): 31408704

約数和(自身を除く): 17899664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 168863, 337726, 675452, 844315, 1350904, 1688630, 2701808, 3377260, 6754520, 13509040]

約数ペア:

[(1, 13509040), (2, 6754520), (4, 3377260), (5, 2701808), (8, 1688630), (10, 1350904), (16, 844315), (20, 675452), (40, 337726), (80, 168863)]