6720220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25847}}^1$

素因数の和:25869

約数の個数: 24

約数和(自身を含む): 15198624

約数和(自身を除く): 8478404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 25847, 51694, 103388, 129235, 258470, 336011, 516940, 672022, 1344044, 1680055, 3360110, 6720220]

約数ペア:

[(1, 6720220), (2, 3360110), (4, 1680055), (5, 1344044), (10, 672022), (13, 516940), (20, 336011), (26, 258470), (52, 129235), (65, 103388), (130, 51694), (260, 25847)]