5284000

素因数分解:

$2^5\times 5^3\times {\mathrm{1321}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 12992616

約数和(自身を除く): 7708616

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, 1321, 2000, 2642, 4000, 5284, 6605, 10568, 13210, 21136, 26420, 33025, 42272, 52840, 66050, 105680, 132100, 165125, 211360, 264200, 330250, 528400, 660500, 1056800, 1321000, 2642000, 5284000]

約数ペア:

[(1, 5284000), (2, 2642000), (4, 1321000), (5, 1056800), (8, 660500), (10, 528400), (16, 330250), (20, 264200), (25, 211360), (32, 165125), (40, 132100), (50, 105680), (80, 66050), (100, 52840), (125, 42272), (160, 33025), (200, 26420), (250, 21136), (400, 13210), (500, 10568), (800, 6605), (1000, 5284), (1321, 4000), (2000, 2642)]