84429040

素因数分解:

$2^4\times 5^1\times {\mathrm{1055363}}^1$

素因数の和:1055376

約数の個数: 20

約数和(自身を含む): 196297704

約数和(自身を除く): 111868664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1055363, 2110726, 4221452, 5276815, 8442904, 10553630, 16885808, 21107260, 42214520, 84429040]

約数ペア:

[(1, 84429040), (2, 42214520), (4, 21107260), (5, 16885808), (8, 10553630), (10, 8442904), (16, 5276815), (20, 4221452), (40, 2110726), (80, 1055363)]