42756880

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2713}}^1$

素因数の和:2923

約数の個数: 40

約数和(自身を含む): 99951192

約数和(自身を除く): 57194312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 2713, 3152, 3940, 5426, 7880, 10852, 13565, 15760, 21704, 27130, 43408, 54260, 108520, 217040, 534461, 1068922, 2137844, 2672305, 4275688, 5344610, 8551376, 10689220, 21378440, 42756880]

約数ペア:

[(1, 42756880), (2, 21378440), (4, 10689220), (5, 8551376), (8, 5344610), (10, 4275688), (16, 2672305), (20, 2137844), (40, 1068922), (80, 534461), (197, 217040), (394, 108520), (788, 54260), (985, 43408), (1576, 27130), (1970, 21704), (2713, 15760), (3152, 13565), (3940, 10852), (5426, 7880)]