320437616

素因数分解:

$2^4\times {\mathrm{4391}}^1\times {\mathrm{4561}}^1$

素因数の和:8960

約数の個数: 20

約数和(自身を含む): 621125424

約数和(自身を除く): 300687808

約数列:

[1, 2, 4, 8, 16, 4391, 4561, 8782, 9122, 17564, 18244, 35128, 36488, 70256, 72976, 20027351, 40054702, 80109404, 160218808, 320437616]

約数ペア:

[(1, 320437616), (2, 160218808), (4, 80109404), (8, 40054702), (16, 20027351), (4391, 72976), (4561, 70256), (8782, 36488), (9122, 35128), (17564, 18244)]