8914000

素因数分解:

$2^4\times 5^3\times {\mathrm{4457}}^1$

素因数の和:4480

約数の個数: 40

約数和(自身を含む): 21558888

約数和(自身を除く): 12644888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4457, 8914, 17828, 22285, 35656, 44570, 71312, 89140, 111425, 178280, 222850, 356560, 445700, 557125, 891400, 1114250, 1782800, 2228500, 4457000, 8914000]

約数ペア:

[(1, 8914000), (2, 4457000), (4, 2228500), (5, 1782800), (8, 1114250), (10, 891400), (16, 557125), (20, 445700), (25, 356560), (40, 222850), (50, 178280), (80, 111425), (100, 89140), (125, 71312), (200, 44570), (250, 35656), (400, 22285), (500, 17828), (1000, 8914), (2000, 4457)]