24871017620

素因数分解:

$2^2\times 5^1\times {\mathrm{1243550881}}^1$

素因数の和:1243550890

約数の個数: 12

約数和(自身を含む): 52229137044

約数和(自身を除く): 27358119424

約数列:

[1, 2, 4, 5, 10, 20, 1243550881, 2487101762, 4974203524, 6217754405, 12435508810, 24871017620]

約数ペア:

[(1, 24871017620), (2, 12435508810), (4, 6217754405), (5, 4974203524), (10, 2487101762), (20, 1243550881)]