38897840

素因数分解:

$2^4\times 5^1\times {\mathrm{486223}}^1$

素因数の和:486236

約数の個数: 20

約数和(自身を含む): 90437664

約数和(自身を除く): 51539824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486223, 972446, 1944892, 2431115, 3889784, 4862230, 7779568, 9724460, 19448920, 38897840]

約数ペア:

[(1, 38897840), (2, 19448920), (4, 9724460), (5, 7779568), (8, 4862230), (10, 3889784), (16, 2431115), (20, 1944892), (40, 972446), (80, 486223)]