87500910080

素因数分解:

$2^9\times 5^1\times {\mathrm{641}}^1\times {\mathrm{53323}}^1$

素因数の和:53987

約数の個数: 80

約数和(自身を含む): 210128341104

約数和(自身を除く): 122627431024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 641, 1280, 1282, 2560, 2564, 3205, 5128, 6410, 10256, 12820, 20512, 25640, 41024, 51280, 53323, 82048, 102560, 106646, 164096, 205120, 213292, 266615, 328192, 410240, 426584, 533230, 820480, 853168, 1066460, 1640960, 1706336, 2132920, 3412672, 4265840, 6825344, 8531680, 13650688, 17063360, 27301376, 34126720, 34180043, 68253440, 68360086, 136506880, 136720172, 170900215, 273440344, 341800430, 546880688, 683600860, 1093761376, 1367201720, 2187522752, 2734403440, 4375045504, 5468806880, 8750091008, 10937613760, 17500182016, 21875227520, 43750455040, 87500910080]

約数ペア:

[(1, 87500910080), (2, 43750455040), (4, 21875227520), (5, 17500182016), (8, 10937613760), (10, 8750091008), (16, 5468806880), (20, 4375045504), (32, 2734403440), (40, 2187522752), (64, 1367201720), (80, 1093761376), (128, 683600860), (160, 546880688), (256, 341800430), (320, 273440344), (512, 170900215), (640, 136720172), (641, 136506880), (1280, 68360086), (1282, 68253440), (2560, 34180043), (2564, 34126720), (3205, 27301376), (5128, 17063360), (6410, 13650688), (10256, 8531680), (12820, 6825344), (20512, 4265840), (25640, 3412672), (41024, 2132920), (51280, 1706336), (53323, 1640960), (82048, 1066460), (102560, 853168), (106646, 820480), (164096, 533230), (205120, 426584), (213292, 410240), (266615, 328192)]