86873260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{105943}}^1$

素因数の和:105993

約数の個数: 24

約数和(自身を含む): 186885216

約数和(自身を除く): 100011956

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 105943, 211886, 423772, 529715, 1059430, 2118860, 4343663, 8687326, 17374652, 21718315, 43436630, 86873260]

約数ペア:

[(1, 86873260), (2, 43436630), (4, 21718315), (5, 17374652), (10, 8687326), (20, 4343663), (41, 2118860), (82, 1059430), (164, 529715), (205, 423772), (410, 211886), (820, 105943)]