64640080

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5351}}^1$

素因数の和:5515

約数の個数: 40

約数和(自身を含む): 151311744

約数和(自身を除く): 86671664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 5351, 6040, 10702, 12080, 21404, 26755, 42808, 53510, 85616, 107020, 214040, 428080, 808001, 1616002, 3232004, 4040005, 6464008, 8080010, 12928016, 16160020, 32320040, 64640080]

約数ペア:

[(1, 64640080), (2, 32320040), (4, 16160020), (5, 12928016), (8, 8080010), (10, 6464008), (16, 4040005), (20, 3232004), (40, 1616002), (80, 808001), (151, 428080), (302, 214040), (604, 107020), (755, 85616), (1208, 53510), (1510, 42808), (2416, 26755), (3020, 21404), (5351, 12080), (6040, 10702)]