12842740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27919}}^1$

素因数の和:27951

約数の個数: 24

約数和(自身を含む): 28143360

約数和(自身を除く): 15300620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 27919, 55838, 111676, 139595, 279190, 558380, 642137, 1284274, 2568548, 3210685, 6421370, 12842740]

約数ペア:

[(1, 12842740), (2, 6421370), (4, 3210685), (5, 2568548), (10, 1284274), (20, 642137), (23, 558380), (46, 279190), (92, 139595), (115, 111676), (230, 55838), (460, 27919)]