55741072

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{81019}}^1$

素因数の和:81070

約数の個数: 20

約数和(自身を含む): 110511280

約数和(自身を除く): 54770208

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 81019, 162038, 324076, 648152, 1296304, 3483817, 6967634, 13935268, 27870536, 55741072]

約数ペア:

[(1, 55741072), (2, 27870536), (4, 13935268), (8, 6967634), (16, 3483817), (43, 1296304), (86, 648152), (172, 324076), (344, 162038), (688, 81019)]