25963340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99859}}^1$

素因数の和:99881

約数の個数: 24

約数和(自身を含む): 58717680

約数和(自身を除く): 32754340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99859, 199718, 399436, 499295, 998590, 1298167, 1997180, 2596334, 5192668, 6490835, 12981670, 25963340]

約数ペア:

[(1, 25963340), (2, 12981670), (4, 6490835), (5, 5192668), (10, 2596334), (13, 1997180), (20, 1298167), (26, 998590), (52, 499295), (65, 399436), (130, 199718), (260, 99859)]