251992240

素因数分解:

$2^4\times 5^1\times {\mathrm{3149903}}^1$

素因数の和:3149916

約数の個数: 20

約数和(自身を含む): 585882144

約数和(自身を除く): 333889904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3149903, 6299806, 12599612, 15749515, 25199224, 31499030, 50398448, 62998060, 125996120, 251992240]

約数ペア:

[(1, 251992240), (2, 125996120), (4, 62998060), (5, 50398448), (8, 31499030), (10, 25199224), (16, 15749515), (20, 12599612), (40, 6299806), (80, 3149903)]