40031980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19433}}^1$

素因数の和:19545

約数の個数: 24

約数和(自身を含む): 84887712

約数和(自身を除く): 44855732

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 19433, 38866, 77732, 97165, 194330, 388660, 2001599, 4003198, 8006396, 10007995, 20015990, 40031980]

約数ペア:

[(1, 40031980), (2, 20015990), (4, 10007995), (5, 8006396), (10, 4003198), (20, 2001599), (103, 388660), (206, 194330), (412, 97165), (515, 77732), (1030, 38866), (2060, 19433)]