56071820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4129}}^1$

素因数の和:4242

約数の個数: 48

約数和(自身を含む): 135992640

約数和(自身を除く): 79920820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 4129, 6790, 8258, 13580, 16516, 20645, 28903, 41290, 57806, 82580, 115612, 144515, 289030, 400513, 578060, 801026, 1602052, 2002565, 2803591, 4005130, 5607182, 8010260, 11214364, 14017955, 28035910, 56071820]

約数ペア:

[(1, 56071820), (2, 28035910), (4, 14017955), (5, 11214364), (7, 8010260), (10, 5607182), (14, 4005130), (20, 2803591), (28, 2002565), (35, 1602052), (70, 801026), (97, 578060), (140, 400513), (194, 289030), (388, 144515), (485, 115612), (679, 82580), (970, 57806), (1358, 41290), (1940, 28903), (2716, 20645), (3395, 16516), (4129, 13580), (6790, 8258)]