40321988

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19727}}^1$

素因数の和:19811

約数の個数: 24

約数和(自身を含む): 81752832

約数和(自身を除く): 41430844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 19727, 39454, 78908, 138089, 276178, 552356, 1440071, 2880142, 5760284, 10080497, 20160994, 40321988]

約数ペア:

[(1, 40321988), (2, 20160994), (4, 10080497), (7, 5760284), (14, 2880142), (28, 1440071), (73, 552356), (146, 276178), (292, 138089), (511, 78908), (1022, 39454), (2044, 19727)]