8992000

素因数分解:

$2^8\times 5^3\times {\mathrm{281}}^1$

素因数の和:312

約数の個数: 72

約数和(自身を含む): 22479912

約数和(自身を除く): 13487912

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, 562, 640, 800, 1000, 1124, 1280, 1405, 1600, 2000, 2248, 2810, 3200, 4000, 4496, 5620, 6400, 7025, 8000, 8992, 11240, 14050, 16000, 17984, 22480, 28100, 32000, 35125, 35968, 44960, 56200, 70250, 71936, 89920, 112400, 140500, 179840, 224800, 281000, 359680, 449600, 562000, 899200, 1124000, 1798400, 2248000, 4496000, 8992000]

約数ペア:

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