51710320

素因数分解:

$2^4\times 5^1\times {\mathrm{646379}}^1$

素因数の和:646392

約数の個数: 20

約数和(自身を含む): 120226680

約数和(自身を除く): 68516360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 646379, 1292758, 2585516, 3231895, 5171032, 6463790, 10342064, 12927580, 25855160, 51710320]

約数ペア:

[(1, 51710320), (2, 25855160), (4, 12927580), (5, 10342064), (8, 6463790), (10, 5171032), (16, 3231895), (20, 2585516), (40, 1292758), (80, 646379)]