80913800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{36779}}^1$

素因数の和:36806

約数の個数: 48

約数和(自身を含む): 205232400

約数和(自身を除く): 124318600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 36779, 73558, 147116, 183895, 294232, 367790, 404569, 735580, 809138, 919475, 1471160, 1618276, 1838950, 2022845, 3236552, 3677900, 4045690, 7355800, 8091380, 10114225, 16182760, 20228450, 40456900, 80913800]

約数ペア:

[(1, 80913800), (2, 40456900), (4, 20228450), (5, 16182760), (8, 10114225), (10, 8091380), (11, 7355800), (20, 4045690), (22, 3677900), (25, 3236552), (40, 2022845), (44, 1838950), (50, 1618276), (55, 1471160), (88, 919475), (100, 809138), (110, 735580), (200, 404569), (220, 367790), (275, 294232), (440, 183895), (550, 147116), (1100, 73558), (2200, 36779)]