12868760

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{743}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 29060640

約数和(自身を除く): 16191880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 743, 866, 1486, 1732, 2165, 2972, 3464, 3715, 4330, 5944, 7430, 8660, 14860, 17320, 29720, 321719, 643438, 1286876, 1608595, 2573752, 3217190, 6434380, 12868760]

約数ペア:

[(1, 12868760), (2, 6434380), (4, 3217190), (5, 2573752), (8, 1608595), (10, 1286876), (20, 643438), (40, 321719), (433, 29720), (743, 17320), (866, 14860), (1486, 8660), (1732, 7430), (2165, 5944), (2972, 4330), (3464, 3715)]