38815820

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2399}}^1$

素因数の和:3217

約数の個数: 24

約数和(自身を含む): 81648000

約数和(自身を除く): 42832180

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 2399, 3236, 4045, 4798, 8090, 9596, 11995, 16180, 23990, 47980, 1940791, 3881582, 7763164, 9703955, 19407910, 38815820]

約数ペア:

[(1, 38815820), (2, 19407910), (4, 9703955), (5, 7763164), (10, 3881582), (20, 1940791), (809, 47980), (1618, 23990), (2399, 16180), (3236, 11995), (4045, 9596), (4798, 8090)]