12886040

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1163}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 29123280

約数和(自身を除く): 16237240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1163, 1385, 2216, 2326, 2770, 4652, 5540, 5815, 9304, 11080, 11630, 23260, 46520, 322151, 644302, 1288604, 1610755, 2577208, 3221510, 6443020, 12886040]

約数ペア:

[(1, 12886040), (2, 6443020), (4, 3221510), (5, 2577208), (8, 1610755), (10, 1288604), (20, 644302), (40, 322151), (277, 46520), (554, 23260), (1108, 11630), (1163, 11080), (1385, 9304), (2216, 5815), (2326, 5540), (2770, 4652)]