3812840

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 8640000

約数和(自身を除く): 4827160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 479, 796, 958, 995, 1592, 1916, 1990, 2395, 3832, 3980, 4790, 7960, 9580, 19160, 95321, 190642, 381284, 476605, 762568, 953210, 1906420, 3812840]

約数ペア:

[(1, 3812840), (2, 1906420), (4, 953210), (5, 762568), (8, 476605), (10, 381284), (20, 190642), (40, 95321), (199, 19160), (398, 9580), (479, 7960), (796, 4790), (958, 3980), (995, 3832), (1592, 2395), (1916, 1990)]