180992780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{71257}}^1$

素因数の和:71393

約数の個数: 24

約数和(自身を含む): 383083008

約数和(自身を除く): 202090228

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 71257, 142514, 285028, 356285, 712570, 1425140, 9049639, 18099278, 36198556, 45248195, 90496390, 180992780]

約数ペア:

[(1, 180992780), (2, 90496390), (4, 45248195), (5, 36198556), (10, 18099278), (20, 9049639), (127, 1425140), (254, 712570), (508, 356285), (635, 285028), (1270, 142514), (2540, 71257)]