31990045

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{5381}}^1$

素因数の和:5456

約数の個数: 16

約数和(自身を含む): 40687920

約数和(自身を除く): 8697875

約数列:

[1, 5, 29, 41, 145, 205, 1189, 5381, 5945, 26905, 156049, 220621, 780245, 1103105, 6398009, 31990045]

約数ペア:

[(1, 31990045), (5, 6398009), (29, 1103105), (41, 780245), (145, 220621), (205, 156049), (1189, 26905), (5381, 5945)]