31377412480

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{386041}}^1$

素因数の和:386187

約数の個数: 64

約数和(自身を含む): 75602465280

約数和(自身を除く): 44225052800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 16256, 20320, 40640, 81280, 386041, 772082, 1544164, 1930205, 3088328, 3860410, 6176656, 7720820, 12353312, 15441640, 24706624, 30883280, 49027207, 49413248, 61766560, 98054414, 123533120, 196108828, 245136035, 247066240, 392217656, 490272070, 784435312, 980544140, 1568870624, 1961088280, 3137741248, 3922176560, 6275482496, 7844353120, 15688706240, 31377412480]

約数ペア:

[(1, 31377412480), (2, 15688706240), (4, 7844353120), (5, 6275482496), (8, 3922176560), (10, 3137741248), (16, 1961088280), (20, 1568870624), (32, 980544140), (40, 784435312), (64, 490272070), (80, 392217656), (127, 247066240), (128, 245136035), (160, 196108828), (254, 123533120), (320, 98054414), (508, 61766560), (635, 49413248), (640, 49027207), (1016, 30883280), (1270, 24706624), (2032, 15441640), (2540, 12353312), (4064, 7720820), (5080, 6176656), (8128, 3860410), (10160, 3088328), (16256, 1930205), (20320, 1544164), (40640, 772082), (81280, 386041)]