80705900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73369}}^1$

素因数の和:73394

約数の個数: 36

約数和(自身を含む): 191055480

約数和(自身を除く): 110349580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 73369, 146738, 293476, 366845, 733690, 807059, 1467380, 1614118, 1834225, 3228236, 3668450, 4035295, 7336900, 8070590, 16141180, 20176475, 40352950, 80705900]

約数ペア:

[(1, 80705900), (2, 40352950), (4, 20176475), (5, 16141180), (10, 8070590), (11, 7336900), (20, 4035295), (22, 3668450), (25, 3228236), (44, 1834225), (50, 1614118), (55, 1467380), (100, 807059), (110, 733690), (220, 366845), (275, 293476), (550, 146738), (1100, 73369)]