16175427820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{211333}}^1$

素因数の和:211474

約数の個数: 48

約数和(自身を含む): 35149070880

約数和(自身を除く): 18973643060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1780, 3827, 7654, 15308, 19135, 38270, 76540, 211333, 422666, 845332, 1056665, 2113330, 4226660, 9087319, 18174638, 18808637, 36349276, 37617274, 45436595, 75234548, 90873190, 94043185, 181746380, 188086370, 376172740, 808771391, 1617542782, 3235085564, 4043856955, 8087713910, 16175427820]

約数ペア:

[(1, 16175427820), (2, 8087713910), (4, 4043856955), (5, 3235085564), (10, 1617542782), (20, 808771391), (43, 376172740), (86, 188086370), (89, 181746380), (172, 94043185), (178, 90873190), (215, 75234548), (356, 45436595), (430, 37617274), (445, 36349276), (860, 18808637), (890, 18174638), (1780, 9087319), (3827, 4226660), (7654, 2113330), (15308, 1056665), (19135, 845332), (38270, 422666), (76540, 211333)]