2980405760

素因数分解:

$2^9\times 5^1\times {\mathrm{1164221}}^1$

素因数の和:1164244

約数の個数: 40

約数和(自身を含む): 7145994636

約数和(自身を除く): 4165588876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 1164221, 2328442, 4656884, 5821105, 9313768, 11642210, 18627536, 23284420, 37255072, 46568840, 74510144, 93137680, 149020288, 186275360, 298040576, 372550720, 596081152, 745101440, 1490202880, 2980405760]

約数ペア:

[(1, 2980405760), (2, 1490202880), (4, 745101440), (5, 596081152), (8, 372550720), (10, 298040576), (16, 186275360), (20, 149020288), (32, 93137680), (40, 74510144), (64, 46568840), (80, 37255072), (128, 23284420), (160, 18627536), (256, 11642210), (320, 9313768), (512, 5821105), (640, 4656884), (1280, 2328442), (2560, 1164221)]