26706440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15527}}^1$

素因数の和:15581

約数の個数: 32

約数和(自身を含む): 61490880

約数和(自身を除く): 34784440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15527, 31054, 62108, 77635, 124216, 155270, 310540, 621080, 667661, 1335322, 2670644, 3338305, 5341288, 6676610, 13353220, 26706440]

約数ペア:

[(1, 26706440), (2, 13353220), (4, 6676610), (5, 5341288), (8, 3338305), (10, 2670644), (20, 1335322), (40, 667661), (43, 621080), (86, 310540), (172, 155270), (215, 124216), (344, 77635), (430, 62108), (860, 31054), (1720, 15527)]