25516820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1879}}^1$

素因数の和:1992

約数の個数: 48

約数和(自身を含む): 61904640

約数和(自身を除く): 36387820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1879, 1940, 2716, 3395, 3758, 6790, 7516, 9395, 13153, 13580, 18790, 26306, 37580, 52612, 65765, 131530, 182263, 263060, 364526, 729052, 911315, 1275841, 1822630, 2551682, 3645260, 5103364, 6379205, 12758410, 25516820]

約数ペア:

[(1, 25516820), (2, 12758410), (4, 6379205), (5, 5103364), (7, 3645260), (10, 2551682), (14, 1822630), (20, 1275841), (28, 911315), (35, 729052), (70, 364526), (97, 263060), (140, 182263), (194, 131530), (388, 65765), (485, 52612), (679, 37580), (970, 26306), (1358, 18790), (1879, 13580), (1940, 13153), (2716, 9395), (3395, 7516), (3758, 6790)]