27912880

素因数分解:

$2^4\times 5^1\times {\mathrm{348911}}^1$

素因数の和:348924

約数の個数: 20

約数和(自身を含む): 64897632

約数和(自身を除く): 36984752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 348911, 697822, 1395644, 1744555, 2791288, 3489110, 5582576, 6978220, 13956440, 27912880]

約数ペア:

[(1, 27912880), (2, 13956440), (4, 6978220), (5, 5582576), (8, 3489110), (10, 2791288), (16, 1744555), (20, 1395644), (40, 697822), (80, 348911)]