1681036720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1910269}}^1$

素因数の和:1910293

約数の個数: 40

約数和(自身を含む): 4263722640

約数和(自身を除く): 2582685920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1910269, 3820538, 7641076, 9551345, 15282152, 19102690, 21012959, 30564304, 38205380, 42025918, 76410760, 84051836, 105064795, 152821520, 168103672, 210129590, 336207344, 420259180, 840518360, 1681036720]

約数ペア:

[(1, 1681036720), (2, 840518360), (4, 420259180), (5, 336207344), (8, 210129590), (10, 168103672), (11, 152821520), (16, 105064795), (20, 84051836), (22, 76410760), (40, 42025918), (44, 38205380), (55, 30564304), (80, 21012959), (88, 19102690), (110, 15282152), (176, 9551345), (220, 7641076), (440, 3820538), (880, 1910269)]