25299690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64871}}^1$

素因数の和:64894

約数の個数: 32

約数和(自身を含む): 65390976

約数和(自身を除く): 40091286

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64871, 129742, 194613, 324355, 389226, 648710, 843323, 973065, 1686646, 1946130, 2529969, 4216615, 5059938, 8433230, 12649845, 25299690]

約数ペア:

[(1, 25299690), (2, 12649845), (3, 8433230), (5, 5059938), (6, 4216615), (10, 2529969), (13, 1946130), (15, 1686646), (26, 973065), (30, 843323), (39, 648710), (65, 389226), (78, 324355), (130, 194613), (195, 129742), (390, 64871)]