67356920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39161}}^1$

素因数の和:39215

約数の個数: 32

約数和(自身を含む): 155081520

約数和(自身を除く): 87724600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 39161, 78322, 156644, 195805, 313288, 391610, 783220, 1566440, 1683923, 3367846, 6735692, 8419615, 13471384, 16839230, 33678460, 67356920]

約数ペア:

[(1, 67356920), (2, 33678460), (4, 16839230), (5, 13471384), (8, 8419615), (10, 6735692), (20, 3367846), (40, 1683923), (43, 1566440), (86, 783220), (172, 391610), (215, 313288), (344, 195805), (430, 156644), (860, 78322), (1720, 39161)]