25128220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{761}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 57351168

約数和(自身を除く): 32222948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 761, 1270, 1522, 1651, 2540, 3044, 3302, 3805, 6604, 7610, 8255, 9893, 15220, 16510, 19786, 33020, 39572, 49465, 96647, 98930, 193294, 197860, 386588, 483235, 966470, 1256411, 1932940, 2512822, 5025644, 6282055, 12564110, 25128220]

約数ペア:

[(1, 25128220), (2, 12564110), (4, 6282055), (5, 5025644), (10, 2512822), (13, 1932940), (20, 1256411), (26, 966470), (52, 483235), (65, 386588), (127, 197860), (130, 193294), (254, 98930), (260, 96647), (508, 49465), (635, 39572), (761, 33020), (1270, 19786), (1522, 16510), (1651, 15220), (2540, 9893), (3044, 8255), (3302, 7610), (3805, 6604)]