64256225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 89733840

約数和(自身を除く): 25477615

約数列:

[1, 5, 11, 25, 41, 55, 139, 205, 275, 451, 695, 1025, 1529, 1681, 2255, 3475, 5699, 7645, 8405, 11275, 18491, 28495, 38225, 42025, 62689, 92455, 142475, 233659, 313445, 462275, 1168295, 1567225, 2570249, 5841475, 12851245, 64256225]

約数ペア:

[(1, 64256225), (5, 12851245), (11, 5841475), (25, 2570249), (41, 1567225), (55, 1168295), (139, 462275), (205, 313445), (275, 233659), (451, 142475), (695, 92455), (1025, 62689), (1529, 42025), (1681, 38225), (2255, 28495), (3475, 18491), (5699, 11275), (7645, 8405)]