28536400

素因数分解:

$2^4\times 5^2\times {\mathrm{71341}}^1$

素因数の和:71359

約数の個数: 30

約数和(自身を含む): 68559662

約数和(自身を除く): 40023262

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71341, 142682, 285364, 356705, 570728, 713410, 1141456, 1426820, 1783525, 2853640, 3567050, 5707280, 7134100, 14268200, 28536400]

約数ペア:

[(1, 28536400), (2, 14268200), (4, 7134100), (5, 5707280), (8, 3567050), (10, 2853640), (16, 1783525), (20, 1426820), (25, 1141456), (40, 713410), (50, 570728), (80, 356705), (100, 285364), (200, 142682), (400, 71341)]