2991985520

素因数分解:

$2^4\times 5^1\times {\mathrm{37399819}}^1$

素因数の和:37399832

約数の個数: 20

約数和(自身を含む): 6956366520

約数和(自身を除く): 3964381000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 37399819, 74799638, 149599276, 186999095, 299198552, 373998190, 598397104, 747996380, 1495992760, 2991985520]

約数ペア:

[(1, 2991985520), (2, 1495992760), (4, 747996380), (5, 598397104), (8, 373998190), (10, 299198552), (16, 186999095), (20, 149599276), (40, 74799638), (80, 37399819)]