672040225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{655649}}^1$

素因数の和:655700

約数の個数: 12

約数和(自身を含む): 853656300

約数和(自身を除く): 181616075

約数列:

[1, 5, 25, 41, 205, 1025, 655649, 3278245, 16391225, 26881609, 134408045, 672040225]

約数ペア:

[(1, 672040225), (5, 134408045), (25, 26881609), (41, 16391225), (205, 3278245), (1025, 655649)]