40036540

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2897}}^1$

素因数の和:3597

約数の個数: 24

約数和(自身を含む): 84227472

約数和(自身を除く): 44190932

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 2897, 3455, 5794, 6910, 11588, 13820, 14485, 28970, 57940, 2001827, 4003654, 8007308, 10009135, 20018270, 40036540]

約数ペア:

[(1, 40036540), (2, 20018270), (4, 10009135), (5, 8007308), (10, 4003654), (20, 2001827), (691, 57940), (1382, 28970), (2764, 14485), (2897, 13820), (3455, 11588), (5794, 6910)]