12640670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2029}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 26308800

約数和(自身を除く): 13668130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 2029, 3115, 4058, 6230, 10145, 14203, 20290, 28406, 71015, 142030, 180581, 361162, 902905, 1264067, 1805810, 2528134, 6320335, 12640670]

約数ペア:

[(1, 12640670), (2, 6320335), (5, 2528134), (7, 1805810), (10, 1264067), (14, 902905), (35, 361162), (70, 180581), (89, 142030), (178, 71015), (445, 28406), (623, 20290), (890, 14203), (1246, 10145), (2029, 6230), (3115, 4058)]