39318640

素因数分解:

$2^4\times 5^1\times {\mathrm{491483}}^1$

素因数の和:491496

約数の個数: 20

約数和(自身を含む): 91416024

約数和(自身を除く): 52097384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491483, 982966, 1965932, 2457415, 3931864, 4914830, 7863728, 9829660, 19659320, 39318640]

約数ペア:

[(1, 39318640), (2, 19659320), (4, 9829660), (5, 7863728), (8, 4914830), (10, 3931864), (16, 2457415), (20, 1965932), (40, 982966), (80, 491483)]