2109909040

素因数分解:

$2^4\times 5^1\times {\mathrm{26373863}}^1$

素因数の和:26373876

約数の個数: 20

約数和(自身を含む): 4905538704

約数和(自身を除く): 2795629664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26373863, 52747726, 105495452, 131869315, 210990904, 263738630, 421981808, 527477260, 1054954520, 2109909040]

約数ペア:

[(1, 2109909040), (2, 1054954520), (4, 527477260), (5, 421981808), (8, 263738630), (10, 210990904), (16, 131869315), (20, 105495452), (40, 52747726), (80, 26373863)]