2008562720

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^2\times {\mathrm{317}}^1$

素因数の和:730

約数の個数: 72

約数和(自身を含む): 4784239404

約数和(自身を除く): 2775676684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 317, 398, 634, 796, 995, 1268, 1585, 1592, 1990, 2536, 3170, 3184, 3980, 5072, 6340, 6368, 7960, 10144, 12680, 15920, 25360, 31840, 39601, 50720, 63083, 79202, 126166, 158404, 198005, 252332, 315415, 316808, 396010, 504664, 630830, 633616, 792020, 1009328, 1261660, 1267232, 1584040, 2018656, 2523320, 3168080, 5046640, 6336160, 10093280, 12553517, 25107034, 50214068, 62767585, 100428136, 125535170, 200856272, 251070340, 401712544, 502140680, 1004281360, 2008562720]

約数ペア:

[(1, 2008562720), (2, 1004281360), (4, 502140680), (5, 401712544), (8, 251070340), (10, 200856272), (16, 125535170), (20, 100428136), (32, 62767585), (40, 50214068), (80, 25107034), (160, 12553517), (199, 10093280), (317, 6336160), (398, 5046640), (634, 3168080), (796, 2523320), (995, 2018656), (1268, 1584040), (1585, 1267232), (1592, 1261660), (1990, 1009328), (2536, 792020), (3170, 633616), (3184, 630830), (3980, 504664), (5072, 396010), (6340, 316808), (6368, 315415), (7960, 252332), (10144, 198005), (12680, 158404), (15920, 126166), (25360, 79202), (31840, 63083), (39601, 50720)]