25740740

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1451}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 54153792

約数和(自身を除く): 28413052

約数列:

[1, 2, 4, 5, 10, 20, 887, 1451, 1774, 2902, 3548, 4435, 5804, 7255, 8870, 14510, 17740, 29020, 1287037, 2574074, 5148148, 6435185, 12870370, 25740740]

約数ペア:

[(1, 25740740), (2, 12870370), (4, 6435185), (5, 5148148), (10, 2574074), (20, 1287037), (887, 29020), (1451, 17740), (1774, 14510), (2902, 8870), (3548, 7255), (4435, 5804)]