81003200

素因数分解:

$2^6\times 5^2\times {\mathrm{50627}}^1$

素因数の和:50649

約数の個数: 42

約数和(自身を含む): 199322436

約数和(自身を除く): 118319236

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 50627, 101254, 202508, 253135, 405016, 506270, 810032, 1012540, 1265675, 1620064, 2025080, 2531350, 3240128, 4050160, 5062700, 8100320, 10125400, 16200640, 20250800, 40501600, 81003200]

約数ペア:

[(1, 81003200), (2, 40501600), (4, 20250800), (5, 16200640), (8, 10125400), (10, 8100320), (16, 5062700), (20, 4050160), (25, 3240128), (32, 2531350), (40, 2025080), (50, 1620064), (64, 1265675), (80, 1012540), (100, 810032), (160, 506270), (200, 405016), (320, 253135), (400, 202508), (800, 101254), (1600, 50627)]