105305000

素因数分解:

$2^3\times 5^4\times {\mathrm{21061}}^1$

素因数の和:21087

約数の個数: 40

約数和(自身を含む): 246741330

約数和(自身を除く): 141436330

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 21061, 42122, 84244, 105305, 168488, 210610, 421220, 526525, 842440, 1053050, 2106100, 2632625, 4212200, 5265250, 10530500, 13163125, 21061000, 26326250, 52652500, 105305000]

約数ペア:

[(1, 105305000), (2, 52652500), (4, 26326250), (5, 21061000), (8, 13163125), (10, 10530500), (20, 5265250), (25, 4212200), (40, 2632625), (50, 2106100), (100, 1053050), (125, 842440), (200, 526525), (250, 421220), (500, 210610), (625, 168488), (1000, 105305), (1250, 84244), (2500, 42122), (5000, 21061)]