38949520

素因数分解:

$2^4\times 5^1\times {\mathrm{486869}}^1$

素因数の和:486882

約数の個数: 20

約数和(自身を含む): 90557820

約数和(自身を除く): 51608300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486869, 973738, 1947476, 2434345, 3894952, 4868690, 7789904, 9737380, 19474760, 38949520]

約数ペア:

[(1, 38949520), (2, 19474760), (4, 9737380), (5, 7789904), (8, 4868690), (10, 3894952), (16, 2434345), (20, 1947476), (40, 973738), (80, 486869)]