499960040

素因数分解:

$2^3\times 5^1\times {\mathrm{12499001}}^1$

素因数の和:12499012

約数の個数: 16

約数和(自身を含む): 1124910180

約数和(自身を除く): 624950140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12499001, 24998002, 49996004, 62495005, 99992008, 124990010, 249980020, 499960040]

約数ペア:

[(1, 499960040), (2, 249980020), (4, 124990010), (5, 99992008), (8, 62495005), (10, 49996004), (20, 24998002), (40, 12499001)]