56458040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15859}}^1$

素因数の和:15959

約数の個数: 32

約数和(自身を含む): 128466000

約数和(自身を除く): 72007960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15859, 31718, 63436, 79295, 126872, 158590, 317180, 634360, 1411451, 2822902, 5645804, 7057255, 11291608, 14114510, 28229020, 56458040]

約数ペア:

[(1, 56458040), (2, 28229020), (4, 14114510), (5, 11291608), (8, 7057255), (10, 5645804), (20, 2822902), (40, 1411451), (89, 634360), (178, 317180), (356, 158590), (445, 126872), (712, 79295), (890, 63436), (1780, 31718), (3560, 15859)]