164147680

素因数分解:

$2^5\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1447}}^1$

素因数の和:2171

約数の個数: 48

約数和(自身を含む): 388614240

約数和(自身を除く): 224466560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 709, 1418, 1447, 2836, 2894, 3545, 5672, 5788, 7090, 7235, 11344, 11576, 14180, 14470, 22688, 23152, 28360, 28940, 46304, 56720, 57880, 113440, 115760, 231520, 1025923, 2051846, 4103692, 5129615, 8207384, 10259230, 16414768, 20518460, 32829536, 41036920, 82073840, 164147680]

約数ペア:

[(1, 164147680), (2, 82073840), (4, 41036920), (5, 32829536), (8, 20518460), (10, 16414768), (16, 10259230), (20, 8207384), (32, 5129615), (40, 4103692), (80, 2051846), (160, 1025923), (709, 231520), (1418, 115760), (1447, 113440), (2836, 57880), (2894, 56720), (3545, 46304), (5672, 28940), (5788, 28360), (7090, 23152), (7235, 22688), (11344, 14470), (11576, 14180)]