508780220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1956847}}^1$

素因数の和:1956869

約数の個数: 24

約数和(自身を含む): 1150626624

約数和(自身を除く): 641846404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1956847, 3913694, 7827388, 9784235, 19568470, 25439011, 39136940, 50878022, 101756044, 127195055, 254390110, 508780220]

約数ペア:

[(1, 508780220), (2, 254390110), (4, 127195055), (5, 101756044), (10, 50878022), (13, 39136940), (20, 25439011), (26, 19568470), (52, 9784235), (65, 7827388), (130, 3913694), (260, 1956847)]