64156660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 141466752

約数和(自身を除く): 77310092

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 211, 230, 422, 460, 661, 844, 1055, 1322, 2110, 2644, 3305, 4220, 4853, 6610, 9706, 13220, 15203, 19412, 24265, 30406, 48530, 60812, 76015, 97060, 139471, 152030, 278942, 304060, 557884, 697355, 1394710, 2789420, 3207833, 6415666, 12831332, 16039165, 32078330, 64156660]

約数ペア:

[(1, 64156660), (2, 32078330), (4, 16039165), (5, 12831332), (10, 6415666), (20, 3207833), (23, 2789420), (46, 1394710), (92, 697355), (115, 557884), (211, 304060), (230, 278942), (422, 152030), (460, 139471), (661, 97060), (844, 76015), (1055, 60812), (1322, 48530), (2110, 30406), (2644, 24265), (3305, 19412), (4220, 15203), (4853, 13220), (6610, 9706)]