67318940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258919}}^1$

素因数の和:258941

約数の個数: 24

約数和(自身を含む): 152244960

約数和(自身を除く): 84926020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 258919, 517838, 1035676, 1294595, 2589190, 3365947, 5178380, 6731894, 13463788, 16829735, 33659470, 67318940]

約数ペア:

[(1, 67318940), (2, 33659470), (4, 16829735), (5, 13463788), (10, 6731894), (13, 5178380), (20, 3365947), (26, 2589190), (52, 1294595), (65, 1035676), (130, 517838), (260, 258919)]