80708240

素因数分解:

$2^4\times 5^1\times {\mathrm{1008853}}^1$

素因数の和:1008866

約数の個数: 20

約数和(自身を含む): 187646844

約数和(自身を除く): 106938604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1008853, 2017706, 4035412, 5044265, 8070824, 10088530, 16141648, 20177060, 40354120, 80708240]

約数ペア:

[(1, 80708240), (2, 40354120), (4, 20177060), (5, 16141648), (8, 10088530), (10, 8070824), (16, 5044265), (20, 4035412), (40, 2017706), (80, 1008853)]