12040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1$

素因数の和:61

約数の個数: 32

約数和(自身を含む): 31680

約数和(自身を除く): 19640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040]

約数ペア:

[(1, 12040), (2, 6020), (4, 3010), (5, 2408), (7, 1720), (8, 1505), (10, 1204), (14, 860), (20, 602), (28, 430), (35, 344), (40, 301), (43, 280), (56, 215), (70, 172), (86, 140)]