26720470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4289}}^1$

素因数の和:4392

約数の個数: 32

約数和(自身を含む): 55598400

約数和(自身を除く): 28877930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 4289, 6230, 8578, 21445, 30023, 42890, 60046, 150115, 300230, 381721, 763442, 1908605, 2672047, 3817210, 5344094, 13360235, 26720470]

約数ペア:

[(1, 26720470), (2, 13360235), (5, 5344094), (7, 3817210), (10, 2672047), (14, 1908605), (35, 763442), (70, 381721), (89, 300230), (178, 150115), (445, 60046), (623, 42890), (890, 30023), (1246, 21445), (3115, 8578), (4289, 6230)]