25413920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{22691}}^1$

素因数の和:22713

約数の個数: 48

約数和(自身を含む): 68620608

約数和(自身を除く): 43206688

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, 22691, 45382, 90764, 113455, 158837, 181528, 226910, 317674, 363056, 453820, 635348, 726112, 794185, 907640, 1270696, 1588370, 1815280, 2541392, 3176740, 3630560, 5082784, 6353480, 12706960, 25413920]

約数ペア:

[(1, 25413920), (2, 12706960), (4, 6353480), (5, 5082784), (7, 3630560), (8, 3176740), (10, 2541392), (14, 1815280), (16, 1588370), (20, 1270696), (28, 907640), (32, 794185), (35, 726112), (40, 635348), (56, 453820), (70, 363056), (80, 317674), (112, 226910), (140, 181528), (160, 158837), (224, 113455), (280, 90764), (560, 45382), (1120, 22691)]