80124880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1097}}^1$

素因数の和:1204

約数の個数: 80

約数和(自身を含む): 205861824

約数和(自身を除く): 125736944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 83, 88, 110, 166, 176, 220, 332, 415, 440, 664, 830, 880, 913, 1097, 1328, 1660, 1826, 2194, 3320, 3652, 4388, 4565, 5485, 6640, 7304, 8776, 9130, 10970, 12067, 14608, 17552, 18260, 21940, 24134, 36520, 43880, 48268, 60335, 73040, 87760, 91051, 96536, 120670, 182102, 193072, 241340, 364204, 455255, 482680, 728408, 910510, 965360, 1001561, 1456816, 1821020, 2003122, 3642040, 4006244, 5007805, 7284080, 8012488, 10015610, 16024976, 20031220, 40062440, 80124880]

約数ペア:

[(1, 80124880), (2, 40062440), (4, 20031220), (5, 16024976), (8, 10015610), (10, 8012488), (11, 7284080), (16, 5007805), (20, 4006244), (22, 3642040), (40, 2003122), (44, 1821020), (55, 1456816), (80, 1001561), (83, 965360), (88, 910510), (110, 728408), (166, 482680), (176, 455255), (220, 364204), (332, 241340), (415, 193072), (440, 182102), (664, 120670), (830, 96536), (880, 91051), (913, 87760), (1097, 73040), (1328, 60335), (1660, 48268), (1826, 43880), (2194, 36520), (3320, 24134), (3652, 21940), (4388, 18260), (4565, 17552), (5485, 14608), (6640, 12067), (7304, 10970), (8776, 9130)]