128045168800

素因数分解:

$2^5\times 5^2\times {\mathrm{311}}^1\times {\mathrm{514651}}^1$

素因数の和:514982

約数の個数: 72

約数和(自身を含む): 313595991072

約数和(自身を除く): 185550822272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 311, 400, 622, 800, 1244, 1555, 2488, 3110, 4976, 6220, 7775, 9952, 12440, 15550, 24880, 31100, 49760, 62200, 124400, 248800, 514651, 1029302, 2058604, 2573255, 4117208, 5146510, 8234416, 10293020, 12866275, 16468832, 20586040, 25732550, 41172080, 51465100, 82344160, 102930200, 160056461, 205860400, 320112922, 411720800, 640225844, 800282305, 1280451688, 1600564610, 2560903376, 3201129220, 4001411525, 5121806752, 6402258440, 8002823050, 12804516880, 16005646100, 25609033760, 32011292200, 64022584400, 128045168800]

約数ペア:

[(1, 128045168800), (2, 64022584400), (4, 32011292200), (5, 25609033760), (8, 16005646100), (10, 12804516880), (16, 8002823050), (20, 6402258440), (25, 5121806752), (32, 4001411525), (40, 3201129220), (50, 2560903376), (80, 1600564610), (100, 1280451688), (160, 800282305), (200, 640225844), (311, 411720800), (400, 320112922), (622, 205860400), (800, 160056461), (1244, 102930200), (1555, 82344160), (2488, 51465100), (3110, 41172080), (4976, 25732550), (6220, 20586040), (7775, 16468832), (9952, 12866275), (12440, 10293020), (15550, 8234416), (24880, 5146510), (31100, 4117208), (49760, 2573255), (62200, 2058604), (124400, 1029302), (248800, 514651)]