28917280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25819}}^1$

素因数の和:25841

約数の個数: 48

約数和(自身を含む): 78079680

約数和(自身を除く): 49162400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25819, 51638, 103276, 129095, 180733, 206552, 258190, 361466, 413104, 516380, 722932, 826208, 903665, 1032760, 1445864, 1807330, 2065520, 2891728, 3614660, 4131040, 5783456, 7229320, 14458640, 28917280]

約数ペア:

[(1, 28917280), (2, 14458640), (4, 7229320), (5, 5783456), (7, 4131040), (8, 3614660), (10, 2891728), (14, 2065520), (16, 1807330), (20, 1445864), (28, 1032760), (32, 903665), (35, 826208), (40, 722932), (56, 516380), (70, 413104), (80, 361466), (112, 258190), (140, 206552), (160, 180733), (224, 129095), (280, 103276), (560, 51638), (1120, 25819)]