7888979440

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{222601}}^1$

素因数の和:223057

約数の個数: 40

約数和(自身を含む): 18383363568

約数和(自身を除く): 10494384128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 3544, 4430, 7088, 8860, 17720, 35440, 222601, 445202, 890404, 1113005, 1780808, 2226010, 3561616, 4452020, 8904040, 17808080, 98612243, 197224486, 394448972, 493061215, 788897944, 986122430, 1577795888, 1972244860, 3944489720, 7888979440]

約数ペア:

[(1, 7888979440), (2, 3944489720), (4, 1972244860), (5, 1577795888), (8, 986122430), (10, 788897944), (16, 493061215), (20, 394448972), (40, 197224486), (80, 98612243), (443, 17808080), (886, 8904040), (1772, 4452020), (2215, 3561616), (3544, 2226010), (4430, 1780808), (7088, 1113005), (8860, 890404), (17720, 445202), (35440, 222601)]