68536400

素因数分解:

$2^4\times 5^2\times {\mathrm{171341}}^1$

素因数の和:171359

約数の個数: 30

約数和(自身を含む): 164659662

約数和(自身を除く): 96123262

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 171341, 342682, 685364, 856705, 1370728, 1713410, 2741456, 3426820, 4283525, 6853640, 8567050, 13707280, 17134100, 34268200, 68536400]

約数ペア:

[(1, 68536400), (2, 34268200), (4, 17134100), (5, 13707280), (8, 8567050), (10, 6853640), (16, 4283525), (20, 3426820), (25, 2741456), (40, 1713410), (50, 1370728), (80, 856705), (100, 685364), (200, 342682), (400, 171341)]