8884000

素因数分解:

$2^5\times 5^3\times {\mathrm{2221}}^1$

素因数の和:2246

約数の個数: 48

約数和(自身を含む): 21837816

約数和(自身を除く): 12953816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 2221, 4000, 4442, 8884, 11105, 17768, 22210, 35536, 44420, 55525, 71072, 88840, 111050, 177680, 222100, 277625, 355360, 444200, 555250, 888400, 1110500, 1776800, 2221000, 4442000, 8884000]

約数ペア:

[(1, 8884000), (2, 4442000), (4, 2221000), (5, 1776800), (8, 1110500), (10, 888400), (16, 555250), (20, 444200), (25, 355360), (32, 277625), (40, 222100), (50, 177680), (80, 111050), (100, 88840), (125, 71072), (160, 55525), (200, 44420), (250, 35536), (400, 22210), (500, 17768), (800, 11105), (1000, 8884), (2000, 4442), (2221, 4000)]