61909040

素因数分解:

$2^4\times 5^1\times {\mathrm{773863}}^1$

素因数の和:773876

約数の個数: 20

約数和(自身を含む): 143938704

約数和(自身を除く): 82029664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 773863, 1547726, 3095452, 3869315, 6190904, 7738630, 12381808, 15477260, 30954520, 61909040]

約数ペア:

[(1, 61909040), (2, 30954520), (4, 15477260), (5, 12381808), (8, 7738630), (10, 6190904), (16, 3869315), (20, 3095452), (40, 1547726), (80, 773863)]