203968000

素因数分解:

$2^9\times 5^3\times {\mathrm{3187}}^1$

素因数の和:3220

約数の個数: 80

約数和(自身を含む): 508766544

約数和(自身を除く): 304798544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1280, 1600, 2000, 2560, 3187, 3200, 4000, 6374, 6400, 8000, 12748, 12800, 15935, 16000, 25496, 31870, 32000, 50992, 63740, 64000, 79675, 101984, 127480, 159350, 203968, 254960, 318700, 398375, 407936, 509920, 637400, 796750, 815872, 1019840, 1274800, 1593500, 1631744, 2039680, 2549600, 3187000, 4079360, 5099200, 6374000, 8158720, 10198400, 12748000, 20396800, 25496000, 40793600, 50992000, 101984000, 203968000]

約数ペア:

[(1, 203968000), (2, 101984000), (4, 50992000), (5, 40793600), (8, 25496000), (10, 20396800), (16, 12748000), (20, 10198400), (25, 8158720), (32, 6374000), (40, 5099200), (50, 4079360), (64, 3187000), (80, 2549600), (100, 2039680), (125, 1631744), (128, 1593500), (160, 1274800), (200, 1019840), (250, 815872), (256, 796750), (320, 637400), (400, 509920), (500, 407936), (512, 398375), (640, 318700), (800, 254960), (1000, 203968), (1280, 159350), (1600, 127480), (2000, 101984), (2560, 79675), (3187, 64000), (3200, 63740), (4000, 50992), (6374, 32000), (6400, 31870), (8000, 25496), (12748, 16000), (12800, 15935)]