1988080

素因数分解:

$2^4\times 5^1\times {\mathrm{24851}}^1$

素因数の和:24864

約数の個数: 20

約数和(自身を含む): 4622472

約数和(自身を除く): 2634392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24851, 49702, 99404, 124255, 198808, 248510, 397616, 497020, 994040, 1988080]

約数ペア:

[(1, 1988080), (2, 994040), (4, 497020), (5, 397616), (8, 248510), (10, 198808), (16, 124255), (20, 99404), (40, 49702), (80, 24851)]