64244000

素因数分解:

$2^5\times 5^3\times {\mathrm{16061}}^1$

素因数の和:16086

約数の個数: 48

約数和(自身を含む): 157857336

約数和(自身を除く): 93613336

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, 4000, 16061, 32122, 64244, 80305, 128488, 160610, 256976, 321220, 401525, 513952, 642440, 803050, 1284880, 1606100, 2007625, 2569760, 3212200, 4015250, 6424400, 8030500, 12848800, 16061000, 32122000, 64244000]

約数ペア:

[(1, 64244000), (2, 32122000), (4, 16061000), (5, 12848800), (8, 8030500), (10, 6424400), (16, 4015250), (20, 3212200), (25, 2569760), (32, 2007625), (40, 1606100), (50, 1284880), (80, 803050), (100, 642440), (125, 513952), (160, 401525), (200, 321220), (250, 256976), (400, 160610), (500, 128488), (800, 80305), (1000, 64244), (2000, 32122), (4000, 16061)]