13440440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25847}}^1$

素因数の和:25871

約数の個数: 32

約数和(自身を含む): 32568480

約数和(自身を除く): 19128040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25847, 51694, 103388, 129235, 206776, 258470, 336011, 516940, 672022, 1033880, 1344044, 1680055, 2688088, 3360110, 6720220, 13440440]

約数ペア:

[(1, 13440440), (2, 6720220), (4, 3360110), (5, 2688088), (8, 1680055), (10, 1344044), (13, 1033880), (20, 672022), (26, 516940), (40, 336011), (52, 258470), (65, 206776), (104, 129235), (130, 103388), (260, 51694), (520, 25847)]