2051226640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{1777}}^1$

素因数の和:2144

約数の個数: 80

約数和(自身を含む): 4889187072

約数和(自身を除く): 2837960432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 307, 376, 470, 614, 752, 940, 1228, 1535, 1777, 1880, 2456, 3070, 3554, 3760, 4912, 6140, 7108, 8885, 12280, 14216, 14429, 17770, 24560, 28432, 28858, 35540, 57716, 71080, 72145, 83519, 115432, 142160, 144290, 167038, 230864, 288580, 334076, 417595, 545539, 577160, 668152, 835190, 1091078, 1154320, 1336304, 1670380, 2182156, 2727695, 3340760, 4364312, 5455390, 6681520, 8728624, 10910780, 21821560, 25640333, 43643120, 51280666, 102561332, 128201665, 205122664, 256403330, 410245328, 512806660, 1025613320, 2051226640]

約数ペア:

[(1, 2051226640), (2, 1025613320), (4, 512806660), (5, 410245328), (8, 256403330), (10, 205122664), (16, 128201665), (20, 102561332), (40, 51280666), (47, 43643120), (80, 25640333), (94, 21821560), (188, 10910780), (235, 8728624), (307, 6681520), (376, 5455390), (470, 4364312), (614, 3340760), (752, 2727695), (940, 2182156), (1228, 1670380), (1535, 1336304), (1777, 1154320), (1880, 1091078), (2456, 835190), (3070, 668152), (3554, 577160), (3760, 545539), (4912, 417595), (6140, 334076), (7108, 288580), (8885, 230864), (12280, 167038), (14216, 144290), (14429, 142160), (17770, 115432), (24560, 83519), (28432, 72145), (28858, 71080), (35540, 57716)]