20182777280

素因数分解:

$2^6\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{48479}}^1$

素因数の和:49797

約数の個数: 56

約数和(自身を含む): 48098171520

約数和(自身を除く): 27915394240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1301, 2602, 5204, 6505, 10408, 13010, 20816, 26020, 41632, 48479, 52040, 83264, 96958, 104080, 193916, 208160, 242395, 387832, 416320, 484790, 775664, 969580, 1551328, 1939160, 3102656, 3878320, 7756640, 15513280, 63071179, 126142358, 252284716, 315355895, 504569432, 630711790, 1009138864, 1261423580, 2018277728, 2522847160, 4036555456, 5045694320, 10091388640, 20182777280]

約数ペア:

[(1, 20182777280), (2, 10091388640), (4, 5045694320), (5, 4036555456), (8, 2522847160), (10, 2018277728), (16, 1261423580), (20, 1009138864), (32, 630711790), (40, 504569432), (64, 315355895), (80, 252284716), (160, 126142358), (320, 63071179), (1301, 15513280), (2602, 7756640), (5204, 3878320), (6505, 3102656), (10408, 1939160), (13010, 1551328), (20816, 969580), (26020, 775664), (41632, 484790), (48479, 416320), (52040, 387832), (83264, 242395), (96958, 208160), (104080, 193916)]