78822320

素因数分解:

$2^4\times 5^1\times {\mathrm{985279}}^1$

素因数の和:985292

約数の個数: 20

約数和(自身を含む): 183262080

約数和(自身を除く): 104439760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 985279, 1970558, 3941116, 4926395, 7882232, 9852790, 15764464, 19705580, 39411160, 78822320]

約数ペア:

[(1, 78822320), (2, 39411160), (4, 19705580), (5, 15764464), (8, 9852790), (10, 7882232), (16, 4926395), (20, 3941116), (40, 1970558), (80, 985279)]