12868340

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1433}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 27102600

約数和(自身を除く): 14234260

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1433, 1796, 2245, 2866, 4490, 5732, 7165, 8980, 14330, 28660, 643417, 1286834, 2573668, 3217085, 6434170, 12868340]

約数ペア:

[(1, 12868340), (2, 6434170), (4, 3217085), (5, 2573668), (10, 1286834), (20, 643417), (449, 28660), (898, 14330), (1433, 8980), (1796, 7165), (2245, 5732), (2866, 4490)]