80521504

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:690

約数の個数: 72

約数和(自身を含む): 186803820

約数和(自身を除く): 106282316

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 224, 356, 392, 577, 623, 712, 784, 1154, 1246, 1424, 1568, 2308, 2492, 2848, 4039, 4361, 4616, 4984, 8078, 8722, 9232, 9968, 16156, 17444, 18464, 19936, 28273, 32312, 34888, 51353, 56546, 64624, 69776, 102706, 113092, 129248, 139552, 205412, 226184, 359471, 410824, 452368, 718942, 821648, 904736, 1437884, 1643296, 2516297, 2875768, 5032594, 5751536, 10065188, 11503072, 20130376, 40260752, 80521504]

約数ペア:

[(1, 80521504), (2, 40260752), (4, 20130376), (7, 11503072), (8, 10065188), (14, 5751536), (16, 5032594), (28, 2875768), (32, 2516297), (49, 1643296), (56, 1437884), (89, 904736), (98, 821648), (112, 718942), (178, 452368), (196, 410824), (224, 359471), (356, 226184), (392, 205412), (577, 139552), (623, 129248), (712, 113092), (784, 102706), (1154, 69776), (1246, 64624), (1424, 56546), (1568, 51353), (2308, 34888), (2492, 32312), (2848, 28273), (4039, 19936), (4361, 18464), (4616, 17444), (4984, 16156), (8078, 9968), (8722, 9232)]