20180764160

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{192271}}^1$

素因数の和:192335

約数の個数: 80

約数和(自身を含む): 49566952512

約数和(自身を除く): 29386188352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1280, 1312, 1640, 2560, 2624, 3280, 5248, 6560, 10496, 13120, 20992, 26240, 52480, 104960, 192271, 384542, 769084, 961355, 1538168, 1922710, 3076336, 3845420, 6152672, 7690840, 7883111, 12305344, 15381680, 15766222, 24610688, 30763360, 31532444, 39415555, 49221376, 61526720, 63064888, 78831110, 98442752, 123053440, 126129776, 157662220, 246106880, 252259552, 315324440, 492213760, 504519104, 630648880, 1009038208, 1261297760, 2018076416, 2522595520, 4036152832, 5045191040, 10090382080, 20180764160]

約数ペア:

[(1, 20180764160), (2, 10090382080), (4, 5045191040), (5, 4036152832), (8, 2522595520), (10, 2018076416), (16, 1261297760), (20, 1009038208), (32, 630648880), (40, 504519104), (41, 492213760), (64, 315324440), (80, 252259552), (82, 246106880), (128, 157662220), (160, 126129776), (164, 123053440), (205, 98442752), (256, 78831110), (320, 63064888), (328, 61526720), (410, 49221376), (512, 39415555), (640, 31532444), (656, 30763360), (820, 24610688), (1280, 15766222), (1312, 15381680), (1640, 12305344), (2560, 7883111), (2624, 7690840), (3280, 6152672), (5248, 3845420), (6560, 3076336), (10496, 1922710), (13120, 1538168), (20992, 961355), (26240, 769084), (52480, 384542), (104960, 192271)]