20160911288

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1\times {\mathrm{2111}}^1$

素因数の和:3180

約数の個数: 64

約数和(自身を含む): 43490304000

約数和(自身を除く): 23329392712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 857, 1393, 1592, 1714, 2111, 2786, 3428, 4222, 5572, 5999, 6856, 8444, 11144, 11998, 14777, 16888, 23996, 29554, 47992, 59108, 118216, 170543, 341086, 420089, 682172, 840178, 1193801, 1364344, 1680356, 1809127, 2387602, 2940623, 3360712, 3618254, 4775204, 5881246, 7236508, 9550408, 11762492, 12663889, 14473016, 23524984, 25327778, 50655556, 101311112, 360016273, 720032546, 1440065092, 2520113911, 2880130184, 5040227822, 10080455644, 20160911288]

約数ペア:

[(1, 20160911288), (2, 10080455644), (4, 5040227822), (7, 2880130184), (8, 2520113911), (14, 1440065092), (28, 720032546), (56, 360016273), (199, 101311112), (398, 50655556), (796, 25327778), (857, 23524984), (1393, 14473016), (1592, 12663889), (1714, 11762492), (2111, 9550408), (2786, 7236508), (3428, 5881246), (4222, 4775204), (5572, 3618254), (5999, 3360712), (6856, 2940623), (8444, 2387602), (11144, 1809127), (11998, 1680356), (14777, 1364344), (16888, 1193801), (23996, 840178), (29554, 682172), (47992, 420089), (59108, 341086), (118216, 170543)]