38839820

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6911}}^1$

素因数の和:7201

約数の個数: 24

約数和(自身を含む): 81865728

約数和(自身を除く): 43025908

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 6911, 13822, 27644, 34555, 69110, 138220, 1941991, 3883982, 7767964, 9709955, 19419910, 38839820]

約数ペア:

[(1, 38839820), (2, 19419910), (4, 9709955), (5, 7767964), (10, 3883982), (20, 1941991), (281, 138220), (562, 69110), (1124, 34555), (1405, 27644), (2810, 13822), (5620, 6911)]