80022320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142897}}^1$

素因数の和:142917

約数の個数: 40

約数和(自身を含む): 212632224

約数和(自身を除く): 132609904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142897, 285794, 571588, 714485, 1000279, 1143176, 1428970, 2000558, 2286352, 2857940, 4001116, 5001395, 5715880, 8002232, 10002790, 11431760, 16004464, 20005580, 40011160, 80022320]

約数ペア:

[(1, 80022320), (2, 40011160), (4, 20005580), (5, 16004464), (7, 11431760), (8, 10002790), (10, 8002232), (14, 5715880), (16, 5001395), (20, 4001116), (28, 2857940), (35, 2286352), (40, 2000558), (56, 1428970), (70, 1143176), (80, 1000279), (112, 714485), (140, 571588), (280, 285794), (560, 142897)]