40207864

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{218521}}^1$

素因数の和:218550

約数の個数: 16

約数和(自身を含む): 78667920

約数和(自身を除く): 38460056

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 218521, 437042, 874084, 1748168, 5025983, 10051966, 20103932, 40207864]

約数ペア:

[(1, 40207864), (2, 20103932), (4, 10051966), (8, 5025983), (23, 1748168), (46, 874084), (92, 437042), (184, 218521)]