51841520

素因数分解:

$2^4\times 5^1\times {\mathrm{648019}}^1$

素因数の和:648032

約数の個数: 20

約数和(自身を含む): 120531720

約数和(自身を除く): 68690200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648019, 1296038, 2592076, 3240095, 5184152, 6480190, 10368304, 12960380, 25920760, 51841520]

約数ペア:

[(1, 51841520), (2, 25920760), (4, 12960380), (5, 10368304), (8, 6480190), (10, 5184152), (16, 3240095), (20, 2592076), (40, 1296038), (80, 648019)]