82011520

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 197798400

約数和(自身を除く): 115786880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1009, 1016, 1270, 2018, 2032, 2540, 4036, 4064, 5045, 5080, 8072, 8128, 10090, 10160, 16144, 16256, 20180, 20320, 32288, 40360, 40640, 64576, 80720, 81280, 128143, 129152, 161440, 256286, 322880, 512572, 640715, 645760, 1025144, 1281430, 2050288, 2562860, 4100576, 5125720, 8201152, 10251440, 16402304, 20502880, 41005760, 82011520]

約数ペア:

[(1, 82011520), (2, 41005760), (4, 20502880), (5, 16402304), (8, 10251440), (10, 8201152), (16, 5125720), (20, 4100576), (32, 2562860), (40, 2050288), (64, 1281430), (80, 1025144), (127, 645760), (128, 640715), (160, 512572), (254, 322880), (320, 256286), (508, 161440), (635, 129152), (640, 128143), (1009, 81280), (1016, 80720), (1270, 64576), (2018, 40640), (2032, 40360), (2540, 32288), (4036, 20320), (4064, 20180), (5045, 16256), (5080, 16144), (8072, 10160), (8128, 10090)]