25304380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30859}}^1$

素因数の和:30909

約数の個数: 24

約数和(自身を含む): 54437040

約数和(自身を除く): 29132660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 30859, 61718, 123436, 154295, 308590, 617180, 1265219, 2530438, 5060876, 6326095, 12652190, 25304380]

約数ペア:

[(1, 25304380), (2, 12652190), (4, 6326095), (5, 5060876), (10, 2530438), (20, 1265219), (41, 617180), (82, 308590), (164, 154295), (205, 123436), (410, 61718), (820, 30859)]