86814220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{105871}}^1$

素因数の和:105921

約数の個数: 24

約数和(自身を含む): 186758208

約数和(自身を除く): 99943988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 105871, 211742, 423484, 529355, 1058710, 2117420, 4340711, 8681422, 17362844, 21703555, 43407110, 86814220]

約数ペア:

[(1, 86814220), (2, 43407110), (4, 21703555), (5, 17362844), (10, 8681422), (20, 4340711), (41, 2117420), (82, 1058710), (164, 529355), (205, 423484), (410, 211742), (820, 105871)]