169109840

素因数分解:

$2^4\times 5^1\times {\mathrm{2113873}}^1$

素因数の和:2113886

約数の個数: 20

約数和(自身を含む): 393180564

約数和(自身を除く): 224070724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2113873, 4227746, 8455492, 10569365, 16910984, 21138730, 33821968, 42277460, 84554920, 169109840]

約数ペア:

[(1, 169109840), (2, 84554920), (4, 42277460), (5, 33821968), (8, 21138730), (10, 16910984), (16, 10569365), (20, 8455492), (40, 4227746), (80, 2113873)]