25643950

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1279}}^1$

素因数の和:1692

約数の個数: 24

約数和(自身を含む): 47854080

約数和(自身を除く): 22210130

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 1279, 2005, 2558, 4010, 6395, 10025, 12790, 20050, 31975, 63950, 512879, 1025758, 2564395, 5128790, 12821975, 25643950]

約数ペア:

[(1, 25643950), (2, 12821975), (5, 5128790), (10, 2564395), (25, 1025758), (50, 512879), (401, 63950), (802, 31975), (1279, 20050), (2005, 12790), (2558, 10025), (4010, 6395)]