6444400

素因数分解:

$2^4\times 5^2\times {\mathrm{16111}}^1$

素因数の和:16129

約数の個数: 30

約数和(自身を含む): 15483632

約数和(自身を除く): 9039232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 16111, 32222, 64444, 80555, 128888, 161110, 257776, 322220, 402775, 644440, 805550, 1288880, 1611100, 3222200, 6444400]

約数ペア:

[(1, 6444400), (2, 3222200), (4, 1611100), (5, 1288880), (8, 805550), (10, 644440), (16, 402775), (20, 322220), (25, 257776), (40, 161110), (50, 128888), (80, 80555), (100, 64444), (200, 32222), (400, 16111)]