25838740

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1621}}^1$

素因数の和:2427

約数の個数: 24

約数和(自身を含む): 54362952

約数和(自身を除く): 28524212

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 1621, 3188, 3242, 3985, 6484, 7970, 8105, 15940, 16210, 32420, 1291937, 2583874, 5167748, 6459685, 12919370, 25838740]

約数ペア:

[(1, 25838740), (2, 12919370), (4, 6459685), (5, 5167748), (10, 2583874), (20, 1291937), (797, 32420), (1594, 16210), (1621, 15940), (3188, 8105), (3242, 7970), (3985, 6484)]