2005990400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:774

約数の個数: 132

約数和(自身を含む): 5019702528

約数和(自身を除く): 3013712128

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, 512, 617, 635, 640, 800, 1016, 1024, 1234, 1270, 1280, 1600, 2032, 2468, 2540, 2560, 3085, 3175, 3200, 4064, 4936, 5080, 5120, 6170, 6350, 6400, 8128, 9872, 10160, 12340, 12700, 12800, 15425, 16256, 19744, 20320, 24680, 25400, 25600, 30850, 32512, 39488, 40640, 49360, 50800, 61700, 65024, 78359, 78976, 81280, 98720, 101600, 123400, 130048, 156718, 157952, 162560, 197440, 203200, 246800, 313436, 315904, 325120, 391795, 394880, 406400, 493600, 626872, 631808, 650240, 783590, 789760, 812800, 987200, 1253744, 1567180, 1579520, 1625600, 1958975, 1974400, 2507488, 3134360, 3159040, 3251200, 3917950, 3948800, 5014976, 6268720, 7835900, 7897600, 10029952, 12537440, 15671800, 15795200, 20059904, 25074880, 31343600, 40119808, 50149760, 62687200, 80239616, 100299520, 125374400, 200599040, 250748800, 401198080, 501497600, 1002995200, 2005990400]

約数ペア:

[(1, 2005990400), (2, 1002995200), (4, 501497600), (5, 401198080), (8, 250748800), (10, 200599040), (16, 125374400), (20, 100299520), (25, 80239616), (32, 62687200), (40, 50149760), (50, 40119808), (64, 31343600), (80, 25074880), (100, 20059904), (127, 15795200), (128, 15671800), (160, 12537440), (200, 10029952), (254, 7897600), (256, 7835900), (320, 6268720), (400, 5014976), (508, 3948800), (512, 3917950), (617, 3251200), (635, 3159040), (640, 3134360), (800, 2507488), (1016, 1974400), (1024, 1958975), (1234, 1625600), (1270, 1579520), (1280, 1567180), (1600, 1253744), (2032, 987200), (2468, 812800), (2540, 789760), (2560, 783590), (3085, 650240), (3175, 631808), (3200, 626872), (4064, 493600), (4936, 406400), (5080, 394880), (5120, 391795), (6170, 325120), (6350, 315904), (6400, 313436), (8128, 246800), (9872, 203200), (10160, 197440), (12340, 162560), (12700, 157952), (12800, 156718), (15425, 130048), (16256, 123400), (19744, 101600), (20320, 98720), (24680, 81280), (25400, 78976), (25600, 78359), (30850, 65024), (32512, 61700), (39488, 50800), (40640, 49360)]