199680760

素因数分解:

$2^3\times 5^1\times {\mathrm{4992019}}^1$

素因数の和:4992030

約数の個数: 16

約数和(自身を含む): 449281800

約数和(自身を除く): 249601040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4992019, 9984038, 19968076, 24960095, 39936152, 49920190, 99840380, 199680760]

約数ペア:

[(1, 199680760), (2, 99840380), (4, 49920190), (5, 39936152), (8, 24960095), (10, 19968076), (20, 9984038), (40, 4992019)]