26308840

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^2$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 59267970

約数和(自身を除く): 32959130

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 8110, 16220, 32440, 657721, 1315442, 2630884, 3288605, 5261768, 6577210, 13154420, 26308840]

約数ペア:

[(1, 26308840), (2, 13154420), (4, 6577210), (5, 5261768), (8, 3288605), (10, 2630884), (20, 1315442), (40, 657721), (811, 32440), (1622, 16220), (3244, 8110), (4055, 6488)]