39402140

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9337}}^1$

素因数の和:9557

約数の個数: 24

約数和(自身を含む): 83145552

約数和(自身を除く): 43743412

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 9337, 18674, 37348, 46685, 93370, 186740, 1970107, 3940214, 7880428, 9850535, 19701070, 39402140]

約数ペア:

[(1, 39402140), (2, 19701070), (4, 9850535), (5, 7880428), (10, 3940214), (20, 1970107), (211, 186740), (422, 93370), (844, 46685), (1055, 37348), (2110, 18674), (4220, 9337)]