80695120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 206826048

約数和(自身を除く): 126130928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 856, 857, 880, 1070, 1177, 1712, 1714, 2140, 2354, 3428, 4280, 4285, 4708, 5885, 6856, 8560, 8570, 9416, 9427, 11770, 13712, 17140, 18832, 18854, 23540, 34280, 37708, 47080, 47135, 68560, 75416, 91699, 94160, 94270, 150832, 183398, 188540, 366796, 377080, 458495, 733592, 754160, 916990, 1008689, 1467184, 1833980, 2017378, 3667960, 4034756, 5043445, 7335920, 8069512, 10086890, 16139024, 20173780, 40347560, 80695120]

約数ペア:

[(1, 80695120), (2, 40347560), (4, 20173780), (5, 16139024), (8, 10086890), (10, 8069512), (11, 7335920), (16, 5043445), (20, 4034756), (22, 3667960), (40, 2017378), (44, 1833980), (55, 1467184), (80, 1008689), (88, 916990), (107, 754160), (110, 733592), (176, 458495), (214, 377080), (220, 366796), (428, 188540), (440, 183398), (535, 150832), (856, 94270), (857, 94160), (880, 91699), (1070, 75416), (1177, 68560), (1712, 47135), (1714, 47080), (2140, 37708), (2354, 34280), (3428, 23540), (4280, 18854), (4285, 18832), (4708, 17140), (5885, 13712), (6856, 11770), (8560, 9427), (8570, 9416)]