80406352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{386569}}^1$

素因数の和:386590

約数の個数: 20

約数和(自身を含む): 167771380

約数和(自身を除く): 87365028

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 386569, 773138, 1546276, 3092552, 5025397, 6185104, 10050794, 20101588, 40203176, 80406352]

約数ペア:

[(1, 80406352), (2, 40203176), (4, 20101588), (8, 10050794), (13, 6185104), (16, 5025397), (26, 3092552), (52, 1546276), (104, 773138), (208, 386569)]