57138740

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4457}}^1$

素因数の和:5107

約数の個数: 24

約数和(自身を含む): 120205512

約数和(自身を除く): 63066772

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 4457, 6410, 8914, 12820, 17828, 22285, 44570, 89140, 2856937, 5713874, 11427748, 14284685, 28569370, 57138740]

約数ペア:

[(1, 57138740), (2, 28569370), (4, 14284685), (5, 11427748), (10, 5713874), (20, 2856937), (641, 89140), (1282, 44570), (2564, 22285), (3205, 17828), (4457, 12820), (6410, 8914)]