13885000

素因数分解:

$2^3\times 5^4\times {\mathrm{2777}}^1$

素因数の和:2803

約数の個数: 40

約数和(自身を含む): 32544270

約数和(自身を除く): 18659270

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 2777, 5000, 5554, 11108, 13885, 22216, 27770, 55540, 69425, 111080, 138850, 277700, 347125, 555400, 694250, 1388500, 1735625, 2777000, 3471250, 6942500, 13885000]

約数ペア:

[(1, 13885000), (2, 6942500), (4, 3471250), (5, 2777000), (8, 1735625), (10, 1388500), (20, 694250), (25, 555400), (40, 347125), (50, 277700), (100, 138850), (125, 111080), (200, 69425), (250, 55540), (500, 27770), (625, 22216), (1000, 13885), (1250, 11108), (2500, 5554), (2777, 5000)]