28778825080

素因数分解:

$2^3\times 5^1\times {\mathrm{2957}}^1\times {\mathrm{243311}}^1$

素因数の和:246279

約数の個数: 32

約数和(自身を含む): 64774520640

約数和(自身を除く): 35995695560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2957, 5914, 11828, 14785, 23656, 29570, 59140, 118280, 243311, 486622, 973244, 1216555, 1946488, 2433110, 4866220, 9732440, 719470627, 1438941254, 2877882508, 3597353135, 5755765016, 7194706270, 14389412540, 28778825080]

約数ペア:

[(1, 28778825080), (2, 14389412540), (4, 7194706270), (5, 5755765016), (8, 3597353135), (10, 2877882508), (20, 1438941254), (40, 719470627), (2957, 9732440), (5914, 4866220), (11828, 2433110), (14785, 1946488), (23656, 1216555), (29570, 973244), (59140, 486622), (118280, 243311)]