40338224

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{35509}}^1$

素因数の和:35588

約数の個数: 20

約数和(自身を含む): 79258320

約数和(自身を除く): 38920096

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 35509, 71018, 142036, 284072, 568144, 2521139, 5042278, 10084556, 20169112, 40338224]

約数ペア:

[(1, 40338224), (2, 20169112), (4, 10084556), (8, 5042278), (16, 2521139), (71, 568144), (142, 284072), (284, 142036), (568, 71018), (1136, 35509)]