28748800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{1123}}^1$

素因数の和:1153

約数の個数: 66

約数和(自身を含む): 71325668

約数和(自身を除く): 42576868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1123, 1280, 1600, 2246, 2560, 3200, 4492, 5120, 5615, 6400, 8984, 11230, 12800, 17968, 22460, 25600, 28075, 35936, 44920, 56150, 71872, 89840, 112300, 143744, 179680, 224600, 287488, 359360, 449200, 574976, 718720, 898400, 1149952, 1437440, 1796800, 2874880, 3593600, 5749760, 7187200, 14374400, 28748800]

約数ペア:

[(1, 28748800), (2, 14374400), (4, 7187200), (5, 5749760), (8, 3593600), (10, 2874880), (16, 1796800), (20, 1437440), (25, 1149952), (32, 898400), (40, 718720), (50, 574976), (64, 449200), (80, 359360), (100, 287488), (128, 224600), (160, 179680), (200, 143744), (256, 112300), (320, 89840), (400, 71872), (512, 56150), (640, 44920), (800, 35936), (1024, 28075), (1123, 25600), (1280, 22460), (1600, 17968), (2246, 12800), (2560, 11230), (3200, 8984), (4492, 6400), (5120, 5615)]