12299720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7151}}^1$

素因数の和:7205

約数の個数: 32

約数和(自身を含む): 28321920

約数和(自身を除く): 16022200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7151, 14302, 28604, 35755, 57208, 71510, 143020, 286040, 307493, 614986, 1229972, 1537465, 2459944, 3074930, 6149860, 12299720]

約数ペア:

[(1, 12299720), (2, 6149860), (4, 3074930), (5, 2459944), (8, 1537465), (10, 1229972), (20, 614986), (40, 307493), (43, 286040), (86, 143020), (172, 71510), (215, 57208), (344, 35755), (430, 28604), (860, 14302), (1720, 7151)]