28565200

素因数分解:

$2^4\times 5^2\times {\mathrm{71413}}^1$

素因数の和:71431

約数の個数: 30

約数和(自身を含む): 68628854

約数和(自身を除く): 40063654

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71413, 142826, 285652, 357065, 571304, 714130, 1142608, 1428260, 1785325, 2856520, 3570650, 5713040, 7141300, 14282600, 28565200]

約数ペア:

[(1, 28565200), (2, 14282600), (4, 7141300), (5, 5713040), (8, 3570650), (10, 2856520), (16, 1785325), (20, 1428260), (25, 1142608), (40, 714130), (50, 571304), (80, 357065), (100, 285652), (200, 142826), (400, 71413)]