25088980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{25601}}^1$

素因数の和:25624

約数の個数: 36

約数和(自身を含む): 61291188

約数和(自身を除く): 36202208

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 25601, 51202, 102404, 128005, 179207, 256010, 358414, 512020, 716828, 896035, 1254449, 1792070, 2508898, 3584140, 5017796, 6272245, 12544490, 25088980]

約数ペア:

[(1, 25088980), (2, 12544490), (4, 6272245), (5, 5017796), (7, 3584140), (10, 2508898), (14, 1792070), (20, 1254449), (28, 896035), (35, 716828), (49, 512020), (70, 358414), (98, 256010), (140, 179207), (196, 128005), (245, 102404), (490, 51202), (980, 25601)]