80088800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:529

約数の個数: 144

約数和(自身を含む): 224985600

約数和(自身を除く): 144896800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 160, 176, 190, 200, 209, 220, 275, 304, 352, 380, 400, 418, 440, 475, 479, 550, 608, 760, 800, 836, 880, 950, 958, 1045, 1100, 1520, 1672, 1760, 1900, 1916, 2090, 2200, 2395, 3040, 3344, 3800, 3832, 4180, 4400, 4790, 5225, 5269, 6688, 7600, 7664, 8360, 8800, 9101, 9580, 10450, 10538, 11975, 15200, 15328, 16720, 18202, 19160, 20900, 21076, 23950, 26345, 33440, 36404, 38320, 41800, 42152, 45505, 47900, 52690, 72808, 76640, 83600, 84304, 91010, 95800, 100111, 105380, 131725, 145616, 167200, 168608, 182020, 191600, 200222, 210760, 227525, 263450, 291232, 364040, 383200, 400444, 421520, 455050, 500555, 526900, 728080, 800888, 843040, 910100, 1001110, 1053800, 1456160, 1601776, 1820200, 2002220, 2107600, 2502775, 3203552, 3640400, 4004440, 4215200, 5005550, 7280800, 8008880, 10011100, 16017760, 20022200, 40044400, 80088800]

約数ペア:

[(1, 80088800), (2, 40044400), (4, 20022200), (5, 16017760), (8, 10011100), (10, 8008880), (11, 7280800), (16, 5005550), (19, 4215200), (20, 4004440), (22, 3640400), (25, 3203552), (32, 2502775), (38, 2107600), (40, 2002220), (44, 1820200), (50, 1601776), (55, 1456160), (76, 1053800), (80, 1001110), (88, 910100), (95, 843040), (100, 800888), (110, 728080), (152, 526900), (160, 500555), (176, 455050), (190, 421520), (200, 400444), (209, 383200), (220, 364040), (275, 291232), (304, 263450), (352, 227525), (380, 210760), (400, 200222), (418, 191600), (440, 182020), (475, 168608), (479, 167200), (550, 145616), (608, 131725), (760, 105380), (800, 100111), (836, 95800), (880, 91010), (950, 84304), (958, 83600), (1045, 76640), (1100, 72808), (1520, 52690), (1672, 47900), (1760, 45505), (1900, 42152), (1916, 41800), (2090, 38320), (2200, 36404), (2395, 33440), (3040, 26345), (3344, 23950), (3800, 21076), (3832, 20900), (4180, 19160), (4400, 18202), (4790, 16720), (5225, 15328), (5269, 15200), (6688, 11975), (7600, 10538), (7664, 10450), (8360, 9580), (8800, 9101)]