8205740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10007}}^1$

素因数の和:10057

約数の個数: 24

約数和(自身を含む): 17654112

約数和(自身を除く): 9448372

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10007, 20014, 40028, 50035, 100070, 200140, 410287, 820574, 1641148, 2051435, 4102870, 8205740]

約数ペア:

[(1, 8205740), (2, 4102870), (4, 2051435), (5, 1641148), (10, 820574), (20, 410287), (41, 200140), (82, 100070), (164, 50035), (205, 40028), (410, 20014), (820, 10007)]