80517488

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{27803}}^1$

素因数の和:27992

約数の個数: 20

約数和(自身を含む): 156870168

約数和(自身を除く): 76352680

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 27803, 55606, 111212, 222424, 444848, 5032343, 10064686, 20129372, 40258744, 80517488]

約数ペア:

[(1, 80517488), (2, 40258744), (4, 20129372), (8, 10064686), (16, 5032343), (181, 444848), (362, 222424), (724, 111212), (1448, 55606), (2896, 27803)]