80372320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71761}}^1$

素因数の和:71783

約数の個数: 48

約数和(自身を含む): 217008288

約数和(自身を除く): 136635968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 71761, 143522, 287044, 358805, 502327, 574088, 717610, 1004654, 1148176, 1435220, 2009308, 2296352, 2511635, 2870440, 4018616, 5023270, 5740880, 8037232, 10046540, 11481760, 16074464, 20093080, 40186160, 80372320]

約数ペア:

[(1, 80372320), (2, 40186160), (4, 20093080), (5, 16074464), (7, 11481760), (8, 10046540), (10, 8037232), (14, 5740880), (16, 5023270), (20, 4018616), (28, 2870440), (32, 2511635), (35, 2296352), (40, 2009308), (56, 1435220), (70, 1148176), (80, 1004654), (112, 717610), (140, 574088), (160, 502327), (224, 358805), (280, 287044), (560, 143522), (1120, 71761)]