2468080

素因数分解:

$2^4\times 5^1\times {\mathrm{30851}}^1$

素因数の和:30864

約数の個数: 20

約数和(自身を含む): 5738472

約数和(自身を除く): 3270392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 30851, 61702, 123404, 154255, 246808, 308510, 493616, 617020, 1234040, 2468080]

約数ペア:

[(1, 2468080), (2, 1234040), (4, 617020), (5, 493616), (8, 308510), (10, 246808), (16, 154255), (20, 123404), (40, 61702), (80, 30851)]