2041714720

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{311237}}^1$

素因数の和:311293

約数の個数: 48

約数和(自身を含む): 4941214488

約数和(自身を除く): 2899499768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 311237, 622474, 1244948, 1556185, 2489896, 3112370, 4979792, 6224740, 9959584, 12449480, 12760717, 24898960, 25521434, 49797920, 51042868, 63803585, 102085736, 127607170, 204171472, 255214340, 408342944, 510428680, 1020857360, 2041714720]

約数ペア:

[(1, 2041714720), (2, 1020857360), (4, 510428680), (5, 408342944), (8, 255214340), (10, 204171472), (16, 127607170), (20, 102085736), (32, 63803585), (40, 51042868), (41, 49797920), (80, 25521434), (82, 24898960), (160, 12760717), (164, 12449480), (205, 9959584), (328, 6224740), (410, 4979792), (656, 3112370), (820, 2489896), (1312, 1556185), (1640, 1244948), (3280, 622474), (6560, 311237)]