64318000

素因数分解:

$2^4\times 5^3\times {\mathrm{32159}}^1$

素因数の和:32182

約数の個数: 40

約数和(自身を含む): 155525760

約数和(自身を除く): 91207760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 32159, 64318, 128636, 160795, 257272, 321590, 514544, 643180, 803975, 1286360, 1607950, 2572720, 3215900, 4019875, 6431800, 8039750, 12863600, 16079500, 32159000, 64318000]

約数ペア:

[(1, 64318000), (2, 32159000), (4, 16079500), (5, 12863600), (8, 8039750), (10, 6431800), (16, 4019875), (20, 3215900), (25, 2572720), (40, 1607950), (50, 1286360), (80, 803975), (100, 643180), (125, 514544), (200, 321590), (250, 257272), (400, 160795), (500, 128636), (1000, 64318), (2000, 32159)]