2850565540

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{220291}}^1$

素因数の和:220947

約数の個数: 24

約数和(自身を含む): 5995467072

約数和(自身を除く): 3144901532

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 220291, 440582, 881164, 1101455, 2202910, 4405820, 142528277, 285056554, 570113108, 712641385, 1425282770, 2850565540]

約数ペア:

[(1, 2850565540), (2, 1425282770), (4, 712641385), (5, 570113108), (10, 285056554), (20, 142528277), (647, 4405820), (1294, 2202910), (2588, 1101455), (3235, 881164), (6470, 440582), (12940, 220291)]