86405920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 96

約数和(自身を含む): 220207680

約数和(自身を除く): 133801760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 344, 380, 430, 608, 661, 688, 760, 817, 860, 1322, 1376, 1520, 1634, 1720, 2644, 3040, 3268, 3305, 3440, 4085, 5288, 6536, 6610, 6880, 8170, 10576, 12559, 13072, 13220, 16340, 21152, 25118, 26144, 26440, 28423, 32680, 50236, 52880, 56846, 62795, 65360, 100472, 105760, 113692, 125590, 130720, 142115, 200944, 227384, 251180, 284230, 401888, 454768, 502360, 540037, 568460, 909536, 1004720, 1080074, 1136920, 2009440, 2160148, 2273840, 2700185, 4320296, 4547680, 5400370, 8640592, 10800740, 17281184, 21601480, 43202960, 86405920]

約数ペア:

[(1, 86405920), (2, 43202960), (4, 21601480), (5, 17281184), (8, 10800740), (10, 8640592), (16, 5400370), (19, 4547680), (20, 4320296), (32, 2700185), (38, 2273840), (40, 2160148), (43, 2009440), (76, 1136920), (80, 1080074), (86, 1004720), (95, 909536), (152, 568460), (160, 540037), (172, 502360), (190, 454768), (215, 401888), (304, 284230), (344, 251180), (380, 227384), (430, 200944), (608, 142115), (661, 130720), (688, 125590), (760, 113692), (817, 105760), (860, 100472), (1322, 65360), (1376, 62795), (1520, 56846), (1634, 52880), (1720, 50236), (2644, 32680), (3040, 28423), (3268, 26440), (3305, 26144), (3440, 25118), (4085, 21152), (5288, 16340), (6536, 13220), (6610, 13072), (6880, 12559), (8170, 10576)]