2020771840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{197341}}^1$

素因数の和:197368

約数の個数: 48

約数和(自身を含む): 4848692940

約数和(自身を除く): 2827921100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 197341, 394682, 789364, 986705, 1578728, 1973410, 3157456, 3946820, 6314912, 7893640, 12629824, 15787280, 25259648, 31574560, 50519296, 63149120, 101038592, 126298240, 202077184, 252596480, 404154368, 505192960, 1010385920, 2020771840]

約数ペア:

[(1, 2020771840), (2, 1010385920), (4, 505192960), (5, 404154368), (8, 252596480), (10, 202077184), (16, 126298240), (20, 101038592), (32, 63149120), (40, 50519296), (64, 31574560), (80, 25259648), (128, 15787280), (160, 12629824), (256, 7893640), (320, 6314912), (512, 3946820), (640, 3157456), (1024, 1973410), (1280, 1578728), (2048, 986705), (2560, 789364), (5120, 394682), (10240, 197341)]