7123840

素因数分解:

$2^7\times 5^1\times {\mathrm{11131}}^1$

素因数の和:11150

約数の個数: 32

約数和(自身を含む): 17031960

約数和(自身を除く): 9908120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 11131, 22262, 44524, 55655, 89048, 111310, 178096, 222620, 356192, 445240, 712384, 890480, 1424768, 1780960, 3561920, 7123840]

約数ペア:

[(1, 7123840), (2, 3561920), (4, 1780960), (5, 1424768), (8, 890480), (10, 712384), (16, 445240), (20, 356192), (32, 222620), (40, 178096), (64, 111310), (80, 89048), (128, 55655), (160, 44524), (320, 22262), (640, 11131)]