81829900

素因数分解:

$2^2\times 5^2\times {\mathrm{811}}^1\times {\mathrm{1009}}^1$

素因数の和:1834

約数の個数: 36

約数和(自身を含む): 177966040

約数和(自身を除く): 96136140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 811, 1009, 1622, 2018, 3244, 4036, 4055, 5045, 8110, 10090, 16220, 20180, 20275, 25225, 40550, 50450, 81100, 100900, 818299, 1636598, 3273196, 4091495, 8182990, 16365980, 20457475, 40914950, 81829900]

約数ペア:

[(1, 81829900), (2, 40914950), (4, 20457475), (5, 16365980), (10, 8182990), (20, 4091495), (25, 3273196), (50, 1636598), (100, 818299), (811, 100900), (1009, 81100), (1622, 50450), (2018, 40550), (3244, 25225), (4036, 20275), (4055, 20180), (5045, 16220), (8110, 10090)]