40338590

素因数分解:

$2^1\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{2089}}^1$

素因数の和:4027

約数の個数: 16

約数和(自身を含む): 72681840

約数和(自身を除く): 32343250

約数列:

[1, 2, 5, 10, 1931, 2089, 3862, 4178, 9655, 10445, 19310, 20890, 4033859, 8067718, 20169295, 40338590]

約数ペア:

[(1, 40338590), (2, 20169295), (5, 8067718), (10, 4033859), (1931, 20890), (2089, 19310), (3862, 10445), (4178, 9655)]