84628100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{20641}}^1$

素因数の和:20696

約数の個数: 36

約数和(自身を含む): 188131188

約数和(自身を除く): 103503088

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 20641, 41282, 82564, 103205, 206410, 412820, 516025, 846281, 1032050, 1692562, 2064100, 3385124, 4231405, 8462810, 16925620, 21157025, 42314050, 84628100]

約数ペア:

[(1, 84628100), (2, 42314050), (4, 21157025), (5, 16925620), (10, 8462810), (20, 4231405), (25, 3385124), (41, 2064100), (50, 1692562), (82, 1032050), (100, 846281), (164, 516025), (205, 412820), (410, 206410), (820, 103205), (1025, 82564), (2050, 41282), (4100, 20641)]