55107640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2029}}^1$

素因数の和:2144

約数の個数: 64

約数和(自身を含む): 143236800

約数和(自身を除く): 88129160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2029, 2716, 3395, 3880, 4058, 5432, 6790, 8116, 10145, 13580, 14203, 16232, 20290, 27160, 28406, 40580, 56812, 71015, 81160, 113624, 142030, 196813, 284060, 393626, 568120, 787252, 984065, 1377691, 1574504, 1968130, 2755382, 3936260, 5510764, 6888455, 7872520, 11021528, 13776910, 27553820, 55107640]

約数ペア:

[(1, 55107640), (2, 27553820), (4, 13776910), (5, 11021528), (7, 7872520), (8, 6888455), (10, 5510764), (14, 3936260), (20, 2755382), (28, 1968130), (35, 1574504), (40, 1377691), (56, 984065), (70, 787252), (97, 568120), (140, 393626), (194, 284060), (280, 196813), (388, 142030), (485, 113624), (679, 81160), (776, 71015), (970, 56812), (1358, 40580), (1940, 28406), (2029, 27160), (2716, 20290), (3395, 16232), (3880, 14203), (4058, 13580), (5432, 10145), (6790, 8116)]