25259312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121439}}^1$

素因数の和:121460

約数の個数: 20

約数和(自身を含む): 52704960

約数和(自身を除く): 27445648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121439, 242878, 485756, 971512, 1578707, 1943024, 3157414, 6314828, 12629656, 25259312]

約数ペア:

[(1, 25259312), (2, 12629656), (4, 6314828), (8, 3157414), (13, 1943024), (16, 1578707), (26, 971512), (52, 485756), (104, 242878), (208, 121439)]