49920040

素因数分解:

$2^3\times 5^1\times {\mathrm{1248001}}^1$

素因数の和:1248012

約数の個数: 16

約数和(自身を含む): 112320180

約数和(自身を除く): 62400140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1248001, 2496002, 4992004, 6240005, 9984008, 12480010, 24960020, 49920040]

約数ペア:

[(1, 49920040), (2, 24960020), (4, 12480010), (5, 9984008), (8, 6240005), (10, 4992004), (20, 2496002), (40, 1248001)]