1086052720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{643}}^1$

素因数の和:1190

約数の個数: 80

約数和(自身を含む): 2593084032

約数和(自身を除く): 1507031312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 491, 643, 688, 860, 982, 1286, 1720, 1964, 2455, 2572, 3215, 3440, 3928, 4910, 5144, 6430, 7856, 9820, 10288, 12860, 19640, 21113, 25720, 27649, 39280, 42226, 51440, 55298, 84452, 105565, 110596, 138245, 168904, 211130, 221192, 276490, 315713, 337808, 422260, 442384, 552980, 631426, 844520, 1105960, 1262852, 1578565, 1689040, 2211920, 2525704, 3157130, 5051408, 6314260, 12628520, 13575659, 25257040, 27151318, 54302636, 67878295, 108605272, 135756590, 217210544, 271513180, 543026360, 1086052720]

約数ペア:

[(1, 1086052720), (2, 543026360), (4, 271513180), (5, 217210544), (8, 135756590), (10, 108605272), (16, 67878295), (20, 54302636), (40, 27151318), (43, 25257040), (80, 13575659), (86, 12628520), (172, 6314260), (215, 5051408), (344, 3157130), (430, 2525704), (491, 2211920), (643, 1689040), (688, 1578565), (860, 1262852), (982, 1105960), (1286, 844520), (1720, 631426), (1964, 552980), (2455, 442384), (2572, 422260), (3215, 337808), (3440, 315713), (3928, 276490), (4910, 221192), (5144, 211130), (6430, 168904), (7856, 138245), (9820, 110596), (10288, 105565), (12860, 84452), (19640, 55298), (21113, 51440), (25720, 42226), (27649, 39280)]