16072240

素因数分解:

$2^4\times 5^1\times {\mathrm{200903}}^1$

素因数の和:200916

約数の個数: 20

約数和(自身を含む): 37368144

約数和(自身を除く): 21295904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 200903, 401806, 803612, 1004515, 1607224, 2009030, 3214448, 4018060, 8036120, 16072240]

約数ペア:

[(1, 16072240), (2, 8036120), (4, 4018060), (5, 3214448), (8, 2009030), (10, 1607224), (16, 1004515), (20, 803612), (40, 401806), (80, 200903)]