2005177600

素因数分解:

$2^8\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2467}}^1$

素因数の和:2620

約数の個数: 108

約数和(自身を含む): 5004235264

約数和(自身を除く): 2999057664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 200, 254, 256, 320, 400, 508, 635, 640, 800, 1016, 1270, 1280, 1600, 2032, 2467, 2540, 3175, 3200, 4064, 4934, 5080, 6350, 6400, 8128, 9868, 10160, 12335, 12700, 16256, 19736, 20320, 24670, 25400, 32512, 39472, 40640, 49340, 50800, 61675, 78944, 81280, 98680, 101600, 123350, 157888, 162560, 197360, 203200, 246700, 313309, 315776, 394720, 406400, 493400, 626618, 631552, 789440, 812800, 986800, 1253236, 1566545, 1578880, 1973600, 2506472, 3133090, 3157760, 3947200, 5012944, 6266180, 7832725, 7894400, 10025888, 12532360, 15665450, 15788800, 20051776, 25064720, 31330900, 40103552, 50129440, 62661800, 80207104, 100258880, 125323600, 200517760, 250647200, 401035520, 501294400, 1002588800, 2005177600]

約数ペア:

[(1, 2005177600), (2, 1002588800), (4, 501294400), (5, 401035520), (8, 250647200), (10, 200517760), (16, 125323600), (20, 100258880), (25, 80207104), (32, 62661800), (40, 50129440), (50, 40103552), (64, 31330900), (80, 25064720), (100, 20051776), (127, 15788800), (128, 15665450), (160, 12532360), (200, 10025888), (254, 7894400), (256, 7832725), (320, 6266180), (400, 5012944), (508, 3947200), (635, 3157760), (640, 3133090), (800, 2506472), (1016, 1973600), (1270, 1578880), (1280, 1566545), (1600, 1253236), (2032, 986800), (2467, 812800), (2540, 789440), (3175, 631552), (3200, 626618), (4064, 493400), (4934, 406400), (5080, 394720), (6350, 315776), (6400, 313309), (8128, 246700), (9868, 203200), (10160, 197360), (12335, 162560), (12700, 157888), (16256, 123350), (19736, 101600), (20320, 98680), (24670, 81280), (25400, 78944), (32512, 61675), (39472, 50800), (40640, 49340)]