6442000

素因数分解:

$2^4\times 5^3\times {\mathrm{3221}}^1$

素因数の和:3244

約数の個数: 40

約数和(自身を含む): 15581592

約数和(自身を除く): 9139592

約数列:

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

約数ペア:

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