387432880

素因数分解:

$2^4\times 5^1\times {\mathrm{4842911}}^1$

素因数の和:4842924

約数の個数: 20

約数和(自身を含む): 900781632

約数和(自身を除く): 513348752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4842911, 9685822, 19371644, 24214555, 38743288, 48429110, 77486576, 96858220, 193716440, 387432880]

約数ペア:

[(1, 387432880), (2, 193716440), (4, 96858220), (5, 77486576), (8, 48429110), (10, 38743288), (16, 24214555), (20, 19371644), (40, 9685822), (80, 4842911)]