13366040

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{859}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 30186000

約数和(自身を除く): 16819960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 859, 1556, 1718, 1945, 3112, 3436, 3890, 4295, 6872, 7780, 8590, 15560, 17180, 34360, 334151, 668302, 1336604, 1670755, 2673208, 3341510, 6683020, 13366040]

約数ペア:

[(1, 13366040), (2, 6683020), (4, 3341510), (5, 2673208), (8, 1670755), (10, 1336604), (20, 668302), (40, 334151), (389, 34360), (778, 17180), (859, 15560), (1556, 8590), (1718, 7780), (1945, 6872), (3112, 4295), (3436, 3890)]