25254580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 57612240

約数和(自身を除く): 32357660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 709, 1370, 1418, 1781, 2740, 2836, 3545, 3562, 7090, 7124, 8905, 9217, 14180, 17810, 18434, 35620, 36868, 46085, 92170, 97133, 184340, 194266, 388532, 485665, 971330, 1262729, 1942660, 2525458, 5050916, 6313645, 12627290, 25254580]

約数ペア:

[(1, 25254580), (2, 12627290), (4, 6313645), (5, 5050916), (10, 2525458), (13, 1942660), (20, 1262729), (26, 971330), (52, 485665), (65, 388532), (130, 194266), (137, 184340), (260, 97133), (274, 92170), (548, 46085), (685, 36868), (709, 35620), (1370, 18434), (1418, 17810), (1781, 14180), (2740, 9217), (2836, 8905), (3545, 7124), (3562, 7090)]