53972440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12379}}^1$

素因数の和:12499

約数の個数: 32

約数和(自身を含む): 122562000

約数和(自身を除く): 68589560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 12379, 24758, 49516, 61895, 99032, 123790, 247580, 495160, 1349311, 2698622, 5397244, 6746555, 10794488, 13493110, 26986220, 53972440]

約数ペア:

[(1, 53972440), (2, 26986220), (4, 13493110), (5, 10794488), (8, 6746555), (10, 5397244), (20, 2698622), (40, 1349311), (109, 495160), (218, 247580), (436, 123790), (545, 99032), (872, 61895), (1090, 49516), (2180, 24758), (4360, 12379)]