25225000

素因数分解:

$2^3\times 5^5\times {\mathrm{1009}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 59175900

約数和(自身を除く): 33950900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1009, 1250, 2018, 2500, 3125, 4036, 5000, 5045, 6250, 8072, 10090, 12500, 20180, 25000, 25225, 40360, 50450, 100900, 126125, 201800, 252250, 504500, 630625, 1009000, 1261250, 2522500, 3153125, 5045000, 6306250, 12612500, 25225000]

約数ペア:

[(1, 25225000), (2, 12612500), (4, 6306250), (5, 5045000), (8, 3153125), (10, 2522500), (20, 1261250), (25, 1009000), (40, 630625), (50, 504500), (100, 252250), (125, 201800), (200, 126125), (250, 100900), (500, 50450), (625, 40360), (1000, 25225), (1009, 25000), (1250, 20180), (2018, 12500), (2500, 10090), (3125, 8072), (4036, 6250), (5000, 5045)]