13950920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8111}}^1$

素因数の和:8165

約数の個数: 32

約数和(自身を含む): 32123520

約数和(自身を除く): 18172600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 8111, 16222, 32444, 40555, 64888, 81110, 162220, 324440, 348773, 697546, 1395092, 1743865, 2790184, 3487730, 6975460, 13950920]

約数ペア:

[(1, 13950920), (2, 6975460), (4, 3487730), (5, 2790184), (8, 1743865), (10, 1395092), (20, 697546), (40, 348773), (43, 324440), (86, 162220), (172, 81110), (215, 64888), (344, 40555), (430, 32444), (860, 16222), (1720, 8111)]