2820220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10847}}^1$

素因数の和:10869

約数の個数: 24

約数和(自身を含む): 6378624

約数和(自身を除く): 3558404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 10847, 21694, 43388, 54235, 108470, 141011, 216940, 282022, 564044, 705055, 1410110, 2820220]

約数ペア:

[(1, 2820220), (2, 1410110), (4, 705055), (5, 564044), (10, 282022), (13, 216940), (20, 141011), (26, 108470), (52, 54235), (65, 43388), (130, 21694), (260, 10847)]