25966460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99871}}^1$

素因数の和:99893

約数の個数: 24

約数和(自身を含む): 58724736

約数和(自身を除く): 32758276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99871, 199742, 399484, 499355, 998710, 1298323, 1997420, 2596646, 5193292, 6491615, 12983230, 25966460]

約数ペア:

[(1, 25966460), (2, 12983230), (4, 6491615), (5, 5193292), (10, 2596646), (13, 1997420), (20, 1298323), (26, 998710), (52, 499355), (65, 399484), (130, 199742), (260, 99871)]