12884000

素因数分解:

$2^5\times 5^3\times {\mathrm{3221}}^1$

素因数の和:3246

約数の個数: 48

約数和(自身を含む): 31665816

約数和(自身を除く): 18781816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 3221, 4000, 6442, 12884, 16105, 25768, 32210, 51536, 64420, 80525, 103072, 128840, 161050, 257680, 322100, 402625, 515360, 644200, 805250, 1288400, 1610500, 2576800, 3221000, 6442000, 12884000]

約数ペア:

[(1, 12884000), (2, 6442000), (4, 3221000), (5, 2576800), (8, 1610500), (10, 1288400), (16, 805250), (20, 644200), (25, 515360), (32, 402625), (40, 322100), (50, 257680), (80, 161050), (100, 128840), (125, 103072), (160, 80525), (200, 64420), (250, 51536), (400, 32210), (500, 25768), (800, 16105), (1000, 12884), (2000, 6442), (3221, 4000)]