51748840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 139708800

約数和(自身を除く): 87959960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 83, 88, 104, 109, 110, 130, 143, 166, 218, 220, 260, 286, 332, 415, 436, 440, 520, 545, 572, 664, 715, 830, 872, 913, 1079, 1090, 1144, 1199, 1417, 1430, 1660, 1826, 2158, 2180, 2398, 2834, 2860, 3320, 3652, 4316, 4360, 4565, 4796, 5395, 5668, 5720, 5995, 7085, 7304, 8632, 9047, 9130, 9592, 10790, 11336, 11869, 11990, 14170, 15587, 18094, 18260, 21580, 23738, 23980, 28340, 31174, 36188, 36520, 43160, 45235, 47476, 47960, 56680, 59345, 62348, 72376, 77935, 90470, 94952, 99517, 117611, 118690, 124696, 155870, 180940, 199034, 235222, 237380, 311740, 361880, 398068, 470444, 474760, 497585, 588055, 623480, 796136, 940888, 995170, 1176110, 1293721, 1990340, 2352220, 2587442, 3980680, 4704440, 5174884, 6468605, 10349768, 12937210, 25874420, 51748840]

約数ペア:

[(1, 51748840), (2, 25874420), (4, 12937210), (5, 10349768), (8, 6468605), (10, 5174884), (11, 4704440), (13, 3980680), (20, 2587442), (22, 2352220), (26, 1990340), (40, 1293721), (44, 1176110), (52, 995170), (55, 940888), (65, 796136), (83, 623480), (88, 588055), (104, 497585), (109, 474760), (110, 470444), (130, 398068), (143, 361880), (166, 311740), (218, 237380), (220, 235222), (260, 199034), (286, 180940), (332, 155870), (415, 124696), (436, 118690), (440, 117611), (520, 99517), (545, 94952), (572, 90470), (664, 77935), (715, 72376), (830, 62348), (872, 59345), (913, 56680), (1079, 47960), (1090, 47476), (1144, 45235), (1199, 43160), (1417, 36520), (1430, 36188), (1660, 31174), (1826, 28340), (2158, 23980), (2180, 23738), (2398, 21580), (2834, 18260), (2860, 18094), (3320, 15587), (3652, 14170), (4316, 11990), (4360, 11869), (4565, 11336), (4796, 10790), (5395, 9592), (5668, 9130), (5720, 9047), (5995, 8632), (7085, 7304)]