13090900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1201}}^1$

素因数の和:1324

約数の個数: 36

約数和(自身を含む): 28691740

約数和(自身を除く): 15600840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 1201, 2180, 2402, 2725, 4804, 5450, 6005, 10900, 12010, 24020, 30025, 60050, 120100, 130909, 261818, 523636, 654545, 1309090, 2618180, 3272725, 6545450, 13090900]

約数ペア:

[(1, 13090900), (2, 6545450), (4, 3272725), (5, 2618180), (10, 1309090), (20, 654545), (25, 523636), (50, 261818), (100, 130909), (109, 120100), (218, 60050), (436, 30025), (545, 24020), (1090, 12010), (1201, 10900), (2180, 6005), (2402, 5450), (2725, 4804)]