25779880

素因数分解:

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

素因数の和:1911

約数の個数: 64

約数和(自身を含む): 67680000

約数和(自身を除く): 41900120

約数列:

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

約数ペア:

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