128257300000

素因数分解:

$2^5\times 5^5\times {\mathrm{127}}^1\times {\mathrm{10099}}^1$

素因数の和:10261

約数の個数: 144

約数和(自身を含む): 318129638400

約数和(自身を除く): 189872338400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 127, 160, 200, 250, 254, 400, 500, 508, 625, 635, 800, 1000, 1016, 1250, 1270, 2000, 2032, 2500, 2540, 3125, 3175, 4000, 4064, 5000, 5080, 6250, 6350, 10000, 10099, 10160, 12500, 12700, 15875, 20000, 20198, 20320, 25000, 25400, 31750, 40396, 50000, 50495, 50800, 63500, 79375, 80792, 100000, 100990, 101600, 127000, 158750, 161584, 201980, 252475, 254000, 317500, 323168, 396875, 403960, 504950, 508000, 635000, 793750, 807920, 1009900, 1262375, 1270000, 1282573, 1587500, 1615840, 2019800, 2524750, 2540000, 2565146, 3175000, 4039600, 5049500, 5130292, 6311875, 6350000, 6412865, 8079200, 10099000, 10260584, 12623750, 12700000, 12825730, 20198000, 20521168, 25247500, 25651460, 31559375, 32064325, 40396000, 41042336, 50495000, 51302920, 63118750, 64128650, 100990000, 102605840, 126237500, 128257300, 160321625, 201980000, 205211680, 252475000, 256514600, 320643250, 504950000, 513029200, 641286500, 801608125, 1009900000, 1026058400, 1282573000, 1603216250, 2565146000, 3206432500, 4008040625, 5130292000, 6412865000, 8016081250, 12825730000, 16032162500, 25651460000, 32064325000, 64128650000, 128257300000]

約数ペア:

[(1, 128257300000), (2, 64128650000), (4, 32064325000), (5, 25651460000), (8, 16032162500), (10, 12825730000), (16, 8016081250), (20, 6412865000), (25, 5130292000), (32, 4008040625), (40, 3206432500), (50, 2565146000), (80, 1603216250), (100, 1282573000), (125, 1026058400), (127, 1009900000), (160, 801608125), (200, 641286500), (250, 513029200), (254, 504950000), (400, 320643250), (500, 256514600), (508, 252475000), (625, 205211680), (635, 201980000), (800, 160321625), (1000, 128257300), (1016, 126237500), (1250, 102605840), (1270, 100990000), (2000, 64128650), (2032, 63118750), (2500, 51302920), (2540, 50495000), (3125, 41042336), (3175, 40396000), (4000, 32064325), (4064, 31559375), (5000, 25651460), (5080, 25247500), (6250, 20521168), (6350, 20198000), (10000, 12825730), (10099, 12700000), (10160, 12623750), (12500, 10260584), (12700, 10099000), (15875, 8079200), (20000, 6412865), (20198, 6350000), (20320, 6311875), (25000, 5130292), (25400, 5049500), (31750, 4039600), (40396, 3175000), (50000, 2565146), (50495, 2540000), (50800, 2524750), (63500, 2019800), (79375, 1615840), (80792, 1587500), (100000, 1282573), (100990, 1270000), (101600, 1262375), (127000, 1009900), (158750, 807920), (161584, 793750), (201980, 635000), (252475, 508000), (254000, 504950), (317500, 403960), (323168, 396875)]