28171600

素因数分解:

$2^4\times 5^2\times {\mathrm{70429}}^1$

素因数の和:70447

約数の個数: 30

約数和(自身を含む): 67683230

約数和(自身を除く): 39511630

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70429, 140858, 281716, 352145, 563432, 704290, 1126864, 1408580, 1760725, 2817160, 3521450, 5634320, 7042900, 14085800, 28171600]

約数ペア:

[(1, 28171600), (2, 14085800), (4, 7042900), (5, 5634320), (8, 3521450), (10, 2817160), (16, 1760725), (20, 1408580), (25, 1126864), (40, 704290), (50, 563432), (80, 352145), (100, 281716), (200, 140858), (400, 70429)]