1298473943920

素因数分解:

$2^4\times 5^1\times {\mathrm{371851}}^1\times {\mathrm{43649}}^1$

素因数の和:415513

約数の個数: 40

約数和(自身を含む): 3019029202800

約数和(自身を除く): 1720555258880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 43649, 87298, 174596, 218245, 349192, 371851, 436490, 698384, 743702, 872980, 1487404, 1745960, 1859255, 2974808, 3491920, 3718510, 5949616, 7437020, 14874040, 29748080, 16230924299, 32461848598, 64923697196, 81154621495, 129847394392, 162309242990, 259694788784, 324618485980, 649236971960, 1298473943920]

約数ペア:

[(1, 1298473943920), (2, 649236971960), (4, 324618485980), (5, 259694788784), (8, 162309242990), (10, 129847394392), (16, 81154621495), (20, 64923697196), (40, 32461848598), (80, 16230924299), (43649, 29748080), (87298, 14874040), (174596, 7437020), (218245, 5949616), (349192, 3718510), (371851, 3491920), (436490, 2974808), (698384, 1859255), (743702, 1745960), (872980, 1487404)]