2009982400

素因数分解:

$2^6\times 5^2\times {\mathrm{811}}^1\times {\mathrm{1549}}^1$

素因数の和:2382

約数の個数: 84

約数和(自身を含む): 4955108200

約数和(自身を除く): 2945125800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 811, 1549, 1600, 1622, 3098, 3244, 4055, 6196, 6488, 7745, 8110, 12392, 12976, 15490, 16220, 20275, 24784, 25952, 30980, 32440, 38725, 40550, 49568, 51904, 61960, 64880, 77450, 81100, 99136, 123920, 129760, 154900, 162200, 247840, 259520, 309800, 324400, 495680, 619600, 648800, 1239200, 1256239, 1297600, 2478400, 2512478, 5024956, 6281195, 10049912, 12562390, 20099824, 25124780, 31405975, 40199648, 50249560, 62811950, 80399296, 100499120, 125623900, 200998240, 251247800, 401996480, 502495600, 1004991200, 2009982400]

約数ペア:

[(1, 2009982400), (2, 1004991200), (4, 502495600), (5, 401996480), (8, 251247800), (10, 200998240), (16, 125623900), (20, 100499120), (25, 80399296), (32, 62811950), (40, 50249560), (50, 40199648), (64, 31405975), (80, 25124780), (100, 20099824), (160, 12562390), (200, 10049912), (320, 6281195), (400, 5024956), (800, 2512478), (811, 2478400), (1549, 1297600), (1600, 1256239), (1622, 1239200), (3098, 648800), (3244, 619600), (4055, 495680), (6196, 324400), (6488, 309800), (7745, 259520), (8110, 247840), (12392, 162200), (12976, 154900), (15490, 129760), (16220, 123920), (20275, 99136), (24784, 81100), (25952, 77450), (30980, 64880), (32440, 61960), (38725, 51904), (40550, 49568)]