2108281640

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{200407}}^1$

素因数の和:200681

約数の個数: 32

約数和(自身を含む): 4761694080

約数和(自身を除く): 2653412440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 200407, 400814, 801628, 1002035, 1603256, 2004070, 4008140, 8016280, 52707041, 105414082, 210828164, 263535205, 421656328, 527070410, 1054140820, 2108281640]

約数ペア:

[(1, 2108281640), (2, 1054140820), (4, 527070410), (5, 421656328), (8, 263535205), (10, 210828164), (20, 105414082), (40, 52707041), (263, 8016280), (526, 4008140), (1052, 2004070), (1315, 1603256), (2104, 1002035), (2630, 801628), (5260, 400814), (10520, 200407)]