16982800

素因数分解:

$2^4\times 5^2\times {\mathrm{42457}}^1$

素因数の和:42475

約数の個数: 30

約数和(自身を含む): 40802138

約数和(自身を除く): 23819338

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 42457, 84914, 169828, 212285, 339656, 424570, 679312, 849140, 1061425, 1698280, 2122850, 3396560, 4245700, 8491400, 16982800]

約数ペア:

[(1, 16982800), (2, 8491400), (4, 4245700), (5, 3396560), (8, 2122850), (10, 1698280), (16, 1061425), (20, 849140), (25, 679312), (40, 424570), (50, 339656), (80, 212285), (100, 169828), (200, 84914), (400, 42457)]