25520180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{26041}}^1$

素因数の和:26064

約数の個数: 36

約数和(自身を含む): 62344548

約数和(自身を除く): 36824368

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 26041, 52082, 104164, 130205, 182287, 260410, 364574, 520820, 729148, 911435, 1276009, 1822870, 2552018, 3645740, 5104036, 6380045, 12760090, 25520180]

約数ペア:

[(1, 25520180), (2, 12760090), (4, 6380045), (5, 5104036), (7, 3645740), (10, 2552018), (14, 1822870), (20, 1276009), (28, 911435), (35, 729148), (49, 520820), (70, 364574), (98, 260410), (140, 182287), (196, 130205), (245, 104164), (490, 52082), (980, 26041)]