5540540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1993}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 11724720

約数和(自身を除く): 6184180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1993, 2780, 3986, 7972, 9965, 19930, 39860, 277027, 554054, 1108108, 1385135, 2770270, 5540540]

約数ペア:

[(1, 5540540), (2, 2770270), (4, 1385135), (5, 1108108), (10, 554054), (20, 277027), (139, 39860), (278, 19930), (556, 9965), (695, 7972), (1390, 3986), (1993, 2780)]