27458680

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1061}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 61935840

約数和(自身を除く): 34477160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1061, 1294, 2122, 2588, 3235, 4244, 5176, 5305, 6470, 8488, 10610, 12940, 21220, 25880, 42440, 686467, 1372934, 2745868, 3432335, 5491736, 6864670, 13729340, 27458680]

約数ペア:

[(1, 27458680), (2, 13729340), (4, 6864670), (5, 5491736), (8, 3432335), (10, 2745868), (20, 1372934), (40, 686467), (647, 42440), (1061, 25880), (1294, 21220), (2122, 12940), (2588, 10610), (3235, 8488), (4244, 6470), (5176, 5305)]