51559760

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1879}}^1$

素因数の和:1913

約数の個数: 80

約数和(自身を含む): 139872000

約数和(自身を除く): 88312240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1879, 1960, 2744, 3430, 3758, 3920, 5488, 6860, 7516, 9395, 13153, 13720, 15032, 18790, 26306, 27440, 30064, 37580, 52612, 65765, 75160, 92071, 105224, 131530, 150320, 184142, 210448, 263060, 368284, 460355, 526120, 644497, 736568, 920710, 1052240, 1288994, 1473136, 1841420, 2577988, 3222485, 3682840, 5155976, 6444970, 7365680, 10311952, 12889940, 25779880, 51559760]

約数ペア:

[(1, 51559760), (2, 25779880), (4, 12889940), (5, 10311952), (7, 7365680), (8, 6444970), (10, 5155976), (14, 3682840), (16, 3222485), (20, 2577988), (28, 1841420), (35, 1473136), (40, 1288994), (49, 1052240), (56, 920710), (70, 736568), (80, 644497), (98, 526120), (112, 460355), (140, 368284), (196, 263060), (245, 210448), (280, 184142), (343, 150320), (392, 131530), (490, 105224), (560, 92071), (686, 75160), (784, 65765), (980, 52612), (1372, 37580), (1715, 30064), (1879, 27440), (1960, 26306), (2744, 18790), (3430, 15032), (3758, 13720), (3920, 13153), (5488, 9395), (6860, 7516)]