388584520

素因数分解:

$2^3\times 5^1\times {\mathrm{9714613}}^1$

素因数の和:9714624

約数の個数: 16

約数和(自身を含む): 874315260

約数和(自身を除く): 485730740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9714613, 19429226, 38858452, 48573065, 77716904, 97146130, 194292260, 388584520]

約数ペア:

[(1, 388584520), (2, 194292260), (4, 97146130), (5, 77716904), (8, 48573065), (10, 38858452), (20, 19429226), (40, 9714613)]