2045151520

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{643}}^1$

素因数の和:954

約数の個数: 96

約数和(自身を含む): 4911484032

約数和(自身を除く): 2866332512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 193, 206, 386, 412, 515, 643, 772, 824, 965, 1030, 1286, 1544, 1648, 1930, 2060, 2572, 3088, 3215, 3296, 3860, 4120, 5144, 6176, 6430, 7720, 8240, 10288, 12860, 15440, 16480, 19879, 20576, 25720, 30880, 39758, 51440, 66229, 79516, 99395, 102880, 124099, 132458, 159032, 198790, 248198, 264916, 318064, 331145, 397580, 496396, 529832, 620495, 636128, 662290, 795160, 992792, 1059664, 1240990, 1324580, 1590320, 1985584, 2119328, 2481980, 2649160, 3180640, 3971168, 4963960, 5298320, 9927920, 10596640, 12782197, 19855840, 25564394, 51128788, 63910985, 102257576, 127821970, 204515152, 255643940, 409030304, 511287880, 1022575760, 2045151520]

約数ペア:

[(1, 2045151520), (2, 1022575760), (4, 511287880), (5, 409030304), (8, 255643940), (10, 204515152), (16, 127821970), (20, 102257576), (32, 63910985), (40, 51128788), (80, 25564394), (103, 19855840), (160, 12782197), (193, 10596640), (206, 9927920), (386, 5298320), (412, 4963960), (515, 3971168), (643, 3180640), (772, 2649160), (824, 2481980), (965, 2119328), (1030, 1985584), (1286, 1590320), (1544, 1324580), (1648, 1240990), (1930, 1059664), (2060, 992792), (2572, 795160), (3088, 662290), (3215, 636128), (3296, 620495), (3860, 529832), (4120, 496396), (5144, 397580), (6176, 331145), (6430, 318064), (7720, 264916), (8240, 248198), (10288, 198790), (12860, 159032), (15440, 132458), (16480, 124099), (19879, 102880), (20576, 99395), (25720, 79516), (30880, 66229), (39758, 51440)]