38914640

素因数分解:

$2^4\times 5^1\times {\mathrm{486433}}^1$

素因数の和:486446

約数の個数: 20

約数和(自身を含む): 90476724

約数和(自身を除く): 51562084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486433, 972866, 1945732, 2432165, 3891464, 4864330, 7782928, 9728660, 19457320, 38914640]

約数ペア:

[(1, 38914640), (2, 19457320), (4, 9728660), (5, 7782928), (8, 4864330), (10, 3891464), (16, 2432165), (20, 1945732), (40, 972866), (80, 486433)]