8207380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10009}}^1$

素因数の和:10059

約数の個数: 24

約数和(自身を含む): 17657640

約数和(自身を除く): 9450260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10009, 20018, 40036, 50045, 100090, 200180, 410369, 820738, 1641476, 2051845, 4103690, 8207380]

約数ペア:

[(1, 8207380), (2, 4103690), (4, 2051845), (5, 1641476), (10, 820738), (20, 410369), (41, 200180), (82, 100090), (164, 50045), (205, 40036), (410, 20018), (820, 10009)]