2013180880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{5179}}^1$

素因数の和:5348

約数の個数: 80

約数和(自身を含む): 4832815680

約数和(自身を除く): 2819634800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 113, 172, 215, 226, 344, 430, 452, 565, 688, 860, 904, 1130, 1720, 1808, 2260, 3440, 4520, 4859, 5179, 9040, 9718, 10358, 19436, 20716, 24295, 25895, 38872, 41432, 48590, 51790, 77744, 82864, 97180, 103580, 194360, 207160, 222697, 388720, 414320, 445394, 585227, 890788, 1113485, 1170454, 1781576, 2226970, 2340908, 2926135, 3563152, 4453940, 4681816, 5852270, 8907880, 9363632, 11704540, 17815760, 23409080, 25164761, 46818160, 50329522, 100659044, 125823805, 201318088, 251647610, 402636176, 503295220, 1006590440, 2013180880]

約数ペア:

[(1, 2013180880), (2, 1006590440), (4, 503295220), (5, 402636176), (8, 251647610), (10, 201318088), (16, 125823805), (20, 100659044), (40, 50329522), (43, 46818160), (80, 25164761), (86, 23409080), (113, 17815760), (172, 11704540), (215, 9363632), (226, 8907880), (344, 5852270), (430, 4681816), (452, 4453940), (565, 3563152), (688, 2926135), (860, 2340908), (904, 2226970), (1130, 1781576), (1720, 1170454), (1808, 1113485), (2260, 890788), (3440, 585227), (4520, 445394), (4859, 414320), (5179, 388720), (9040, 222697), (9718, 207160), (10358, 194360), (19436, 103580), (20716, 97180), (24295, 82864), (25895, 77744), (38872, 51790), (41432, 48590)]