25461380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{25981}}^1$

素因数の和:26004

約数の個数: 36

約数和(自身を含む): 62200908

約数和(自身を除く): 36739528

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 25981, 51962, 103924, 129905, 181867, 259810, 363734, 519620, 727468, 909335, 1273069, 1818670, 2546138, 3637340, 5092276, 6365345, 12730690, 25461380]

約数ペア:

[(1, 25461380), (2, 12730690), (4, 6365345), (5, 5092276), (7, 3637340), (10, 2546138), (14, 1818670), (20, 1273069), (28, 909335), (35, 727468), (49, 519620), (70, 363734), (98, 259810), (140, 181867), (196, 129905), (245, 103924), (490, 51962), (980, 25981)]