2881180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 6138720

約数和(自身を除く): 3257540

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2029, 4058, 8116, 10145, 20290, 40580, 144059, 288118, 576236, 720295, 1440590, 2881180]

約数ペア:

[(1, 2881180), (2, 1440590), (4, 720295), (5, 576236), (10, 288118), (20, 144059), (71, 40580), (142, 20290), (284, 10145), (355, 8116), (710, 4058), (1420, 2029)]