8313500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1311

約数の個数: 48

約数和(自身を含む): 19568640

約数和(自身を除く): 11255140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1279, 1300, 1625, 2558, 3250, 5116, 6395, 6500, 12790, 16627, 25580, 31975, 33254, 63950, 66508, 83135, 127900, 159875, 166270, 319750, 332540, 415675, 639500, 831350, 1662700, 2078375, 4156750, 8313500]

約数ペア:

[(1, 8313500), (2, 4156750), (4, 2078375), (5, 1662700), (10, 831350), (13, 639500), (20, 415675), (25, 332540), (26, 319750), (50, 166270), (52, 159875), (65, 127900), (100, 83135), (125, 66508), (130, 63950), (250, 33254), (260, 31975), (325, 25580), (500, 16627), (650, 12790), (1279, 6500), (1300, 6395), (1625, 5116), (2558, 3250)]