208712730860

素因数分解:

$2^2\times 5^1\times {\mathrm{10435636543}}^1$

素因数の和:10435636552

約数の個数: 12

約数和(自身を含む): 438296734848

約数和(自身を除く): 229584003988

約数列:

[1, 2, 4, 5, 10, 20, 10435636543, 20871273086, 41742546172, 52178182715, 104356365430, 208712730860]

約数ペア:

[(1, 208712730860), (2, 104356365430), (4, 52178182715), (5, 41742546172), (10, 20871273086), (20, 10435636543)]