891567160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47123}}^1$

素因数の和:47188

約数の個数: 64

約数和(自身を含む): 2239332480

約数和(自身を除く): 1347765320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 18920, 47123, 94246, 188492, 235615, 376984, 471230, 518353, 942460, 1036706, 1884920, 2026289, 2073412, 2591765, 4052578, 4146824, 5183530, 8105156, 10131445, 10367060, 16210312, 20262890, 20734120, 22289179, 40525780, 44578358, 81051560, 89156716, 111445895, 178313432, 222891790, 445783580, 891567160]

約数ペア:

[(1, 891567160), (2, 445783580), (4, 222891790), (5, 178313432), (8, 111445895), (10, 89156716), (11, 81051560), (20, 44578358), (22, 40525780), (40, 22289179), (43, 20734120), (44, 20262890), (55, 16210312), (86, 10367060), (88, 10131445), (110, 8105156), (172, 5183530), (215, 4146824), (220, 4052578), (344, 2591765), (430, 2073412), (440, 2026289), (473, 1884920), (860, 1036706), (946, 942460), (1720, 518353), (1892, 471230), (2365, 376984), (3784, 235615), (4730, 188492), (9460, 94246), (18920, 47123)]