7258940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27919}}^1$

素因数の和:27941

約数の個数: 24

約数和(自身を含む): 16416960

約数和(自身を除く): 9158020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 27919, 55838, 111676, 139595, 279190, 362947, 558380, 725894, 1451788, 1814735, 3629470, 7258940]

約数ペア:

[(1, 7258940), (2, 3629470), (4, 1814735), (5, 1451788), (10, 725894), (13, 558380), (20, 362947), (26, 279190), (52, 139595), (65, 111676), (130, 55838), (260, 27919)]