17984000

素因数分解:

$2^9\times 5^3\times {\mathrm{281}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 45003816

約数和(自身を除く): 27019816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 281, 320, 400, 500, 512, 562, 640, 800, 1000, 1124, 1280, 1405, 1600, 2000, 2248, 2560, 2810, 3200, 4000, 4496, 5620, 6400, 7025, 8000, 8992, 11240, 12800, 14050, 16000, 17984, 22480, 28100, 32000, 35125, 35968, 44960, 56200, 64000, 70250, 71936, 89920, 112400, 140500, 143872, 179840, 224800, 281000, 359680, 449600, 562000, 719360, 899200, 1124000, 1798400, 2248000, 3596800, 4496000, 8992000, 17984000]

約数ペア:

[(1, 17984000), (2, 8992000), (4, 4496000), (5, 3596800), (8, 2248000), (10, 1798400), (16, 1124000), (20, 899200), (25, 719360), (32, 562000), (40, 449600), (50, 359680), (64, 281000), (80, 224800), (100, 179840), (125, 143872), (128, 140500), (160, 112400), (200, 89920), (250, 71936), (256, 70250), (281, 64000), (320, 56200), (400, 44960), (500, 35968), (512, 35125), (562, 32000), (640, 28100), (800, 22480), (1000, 17984), (1124, 16000), (1280, 14050), (1405, 12800), (1600, 11240), (2000, 8992), (2248, 8000), (2560, 7025), (2810, 6400), (3200, 5620), (4000, 4496)]