51902320

素因数分解:

$2^4\times 5^1\times {\mathrm{648779}}^1$

素因数の和:648792

約数の個数: 20

約数和(自身を含む): 120673080

約数和(自身を除く): 68770760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648779, 1297558, 2595116, 3243895, 5190232, 6487790, 10380464, 12975580, 25951160, 51902320]

約数ペア:

[(1, 51902320), (2, 25951160), (4, 12975580), (5, 10380464), (8, 6487790), (10, 5190232), (16, 3243895), (20, 2595116), (40, 1297558), (80, 648779)]