80188000

素因数分解:

$2^5\times 5^3\times {\mathrm{20047}}^1$

素因数の和:20072

約数の個数: 48

約数和(自身を含む): 197031744

約数和(自身を除く): 116843744

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, 20047, 40094, 80188, 100235, 160376, 200470, 320752, 400940, 501175, 641504, 801880, 1002350, 1603760, 2004700, 2505875, 3207520, 4009400, 5011750, 8018800, 10023500, 16037600, 20047000, 40094000, 80188000]

約数ペア:

[(1, 80188000), (2, 40094000), (4, 20047000), (5, 16037600), (8, 10023500), (10, 8018800), (16, 5011750), (20, 4009400), (25, 3207520), (32, 2505875), (40, 2004700), (50, 1603760), (80, 1002350), (100, 801880), (125, 641504), (160, 501175), (200, 400940), (250, 320752), (400, 200470), (500, 160376), (800, 100235), (1000, 80188), (2000, 40094), (4000, 20047)]