8135000

素因数分解:

$2^3\times 5^4\times {\mathrm{1627}}^1$

素因数の和:1653

約数の個数: 40

約数和(自身を含む): 19072020

約数和(自身を除く): 10937020

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1627, 2500, 3254, 5000, 6508, 8135, 13016, 16270, 32540, 40675, 65080, 81350, 162700, 203375, 325400, 406750, 813500, 1016875, 1627000, 2033750, 4067500, 8135000]

約数ペア:

[(1, 8135000), (2, 4067500), (4, 2033750), (5, 1627000), (8, 1016875), (10, 813500), (20, 406750), (25, 325400), (40, 203375), (50, 162700), (100, 81350), (125, 65080), (200, 40675), (250, 32540), (500, 16270), (625, 13016), (1000, 8135), (1250, 6508), (1627, 5000), (2500, 3254)]