5140220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 11130840

約数和(自身を除く): 5990620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 556, 695, 860, 1390, 1849, 2780, 3698, 5977, 7396, 9245, 11954, 18490, 23908, 29885, 36980, 59770, 119540, 257011, 514022, 1028044, 1285055, 2570110, 5140220]

約数ペア:

[(1, 5140220), (2, 2570110), (4, 1285055), (5, 1028044), (10, 514022), (20, 257011), (43, 119540), (86, 59770), (139, 36980), (172, 29885), (215, 23908), (278, 18490), (430, 11954), (556, 9245), (695, 7396), (860, 5977), (1390, 3698), (1849, 2780)]