5045000

素因数分解:

$2^3\times 5^4\times {\mathrm{1009}}^1$

素因数の和:1035

約数の個数: 40

約数和(自身を含む): 11832150

約数和(自身を除く): 6787150

約数列:

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

約数ペア:

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