38849540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{18859}}^1$

素因数の和:18971

約数の個数: 24

約数和(自身を含む): 82380480

約数和(自身を除く): 43530940

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 18859, 37718, 75436, 94295, 188590, 377180, 1942477, 3884954, 7769908, 9712385, 19424770, 38849540]

約数ペア:

[(1, 38849540), (2, 19424770), (4, 9712385), (5, 7769908), (10, 3884954), (20, 1942477), (103, 377180), (206, 188590), (412, 94295), (515, 75436), (1030, 37718), (2060, 18859)]