6650800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1310

約数の個数: 60

約数和(自身を含む): 17221120

約数和(自身を除く): 10570320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1279, 1300, 2558, 2600, 5116, 5200, 6395, 10232, 12790, 16627, 20464, 25580, 31975, 33254, 51160, 63950, 66508, 83135, 102320, 127900, 133016, 166270, 255800, 266032, 332540, 415675, 511600, 665080, 831350, 1330160, 1662700, 3325400, 6650800]

約数ペア:

[(1, 6650800), (2, 3325400), (4, 1662700), (5, 1330160), (8, 831350), (10, 665080), (13, 511600), (16, 415675), (20, 332540), (25, 266032), (26, 255800), (40, 166270), (50, 133016), (52, 127900), (65, 102320), (80, 83135), (100, 66508), (104, 63950), (130, 51160), (200, 33254), (208, 31975), (260, 25580), (325, 20464), (400, 16627), (520, 12790), (650, 10232), (1040, 6395), (1279, 5200), (1300, 5116), (2558, 2600)]