312663280

素因数分解:

$2^4\times 5^1\times {\mathrm{3908291}}^1$

素因数の和:3908304

約数の個数: 20

約数和(自身を含む): 726942312

約数和(自身を除く): 414279032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3908291, 7816582, 15633164, 19541455, 31266328, 39082910, 62532656, 78165820, 156331640, 312663280]

約数ペア:

[(1, 312663280), (2, 156331640), (4, 78165820), (5, 62532656), (8, 39082910), (10, 31266328), (16, 19541455), (20, 15633164), (40, 7816582), (80, 3908291)]