80818448

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71143}}^1$

素因数の和:71222

約数の個数: 20

約数和(自身を含む): 158793408

約数和(自身を除く): 77974960

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71143, 142286, 284572, 569144, 1138288, 5051153, 10102306, 20204612, 40409224, 80818448]

約数ペア:

[(1, 80818448), (2, 40409224), (4, 20204612), (8, 10102306), (16, 5051153), (71, 1138288), (142, 569144), (284, 284572), (568, 142286), (1136, 71143)]