74983840

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{709}}^1$

素因数の和:1385

約数の個数: 48

約数和(自身を含む): 177667560

約数和(自身を除く): 102683720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 709, 1322, 1418, 2644, 2836, 3305, 3545, 5288, 5672, 6610, 7090, 10576, 11344, 13220, 14180, 21152, 22688, 26440, 28360, 52880, 56720, 105760, 113440, 468649, 937298, 1874596, 2343245, 3749192, 4686490, 7498384, 9372980, 14996768, 18745960, 37491920, 74983840]

約数ペア:

[(1, 74983840), (2, 37491920), (4, 18745960), (5, 14996768), (8, 9372980), (10, 7498384), (16, 4686490), (20, 3749192), (32, 2343245), (40, 1874596), (80, 937298), (160, 468649), (661, 113440), (709, 105760), (1322, 56720), (1418, 52880), (2644, 28360), (2836, 26440), (3305, 22688), (3545, 21152), (5288, 14180), (5672, 13220), (6610, 11344), (7090, 10576)]