38920880

素因数分解:

$2^4\times 5^1\times {\mathrm{486511}}^1$

素因数の和:486524

約数の個数: 20

約数和(自身を含む): 90491232

約数和(自身を除く): 51570352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486511, 973022, 1946044, 2432555, 3892088, 4865110, 7784176, 9730220, 19460440, 38920880]

約数ペア:

[(1, 38920880), (2, 19460440), (4, 9730220), (5, 7784176), (8, 4865110), (10, 3892088), (16, 2432555), (20, 1946044), (40, 973022), (80, 486511)]