82608920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18947}}^1$

素因数の和:19067

約数の個数: 32

約数和(自身を含む): 187585200

約数和(自身を除く): 104976280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 18947, 37894, 75788, 94735, 151576, 189470, 378940, 757880, 2065223, 4130446, 8260892, 10326115, 16521784, 20652230, 41304460, 82608920]

約数ペア:

[(1, 82608920), (2, 41304460), (4, 20652230), (5, 16521784), (8, 10326115), (10, 8260892), (20, 4130446), (40, 2065223), (109, 757880), (218, 378940), (436, 189470), (545, 151576), (872, 94735), (1090, 75788), (2180, 37894), (4360, 18947)]