28243840

素因数分解:

$2^7\times 5^1\times {\mathrm{44131}}^1$

素因数の和:44150

約数の個数: 32

約数和(自身を含む): 67521960

約数和(自身を除く): 39278120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44131, 88262, 176524, 220655, 353048, 441310, 706096, 882620, 1412192, 1765240, 2824384, 3530480, 5648768, 7060960, 14121920, 28243840]

約数ペア:

[(1, 28243840), (2, 14121920), (4, 7060960), (5, 5648768), (8, 3530480), (10, 2824384), (16, 1765240), (20, 1412192), (32, 882620), (40, 706096), (64, 441310), (80, 353048), (128, 220655), (160, 176524), (320, 88262), (640, 44131)]