80862590

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{41047}}^1$

素因数の和:41251

約数の個数: 16

約数和(自身を含む): 146295072

約数和(自身を除く): 65432482

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 41047, 82094, 205235, 410470, 8086259, 16172518, 40431295, 80862590]

約数ペア:

[(1, 80862590), (2, 40431295), (5, 16172518), (10, 8086259), (197, 410470), (394, 205235), (985, 82094), (1970, 41047)]