99549040

素因数分解:

$2^4\times 5^1\times {\mathrm{1244363}}^1$

素因数の和:1244376

約数の個数: 20

約数和(自身を含む): 231451704

約数和(自身を除く): 131902664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1244363, 2488726, 4977452, 6221815, 9954904, 12443630, 19909808, 24887260, 49774520, 99549040]

約数ペア:

[(1, 99549040), (2, 49774520), (4, 24887260), (5, 19909808), (8, 12443630), (10, 9954904), (16, 6221815), (20, 4977452), (40, 2488726), (80, 1244363)]