80239600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{28657}}^1$

素因数の和:28682

約数の個数: 60

約数和(自身を含む): 220322704

約数和(自身を除く): 140083104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 28657, 57314, 114628, 143285, 200599, 229256, 286570, 401198, 458512, 573140, 716425, 802396, 1002995, 1146280, 1432850, 1604792, 2005990, 2292560, 2865700, 3209584, 4011980, 5014975, 5731400, 8023960, 10029950, 11462800, 16047920, 20059900, 40119800, 80239600]

約数ペア:

[(1, 80239600), (2, 40119800), (4, 20059900), (5, 16047920), (7, 11462800), (8, 10029950), (10, 8023960), (14, 5731400), (16, 5014975), (20, 4011980), (25, 3209584), (28, 2865700), (35, 2292560), (40, 2005990), (50, 1604792), (56, 1432850), (70, 1146280), (80, 1002995), (100, 802396), (112, 716425), (140, 573140), (175, 458512), (200, 401198), (280, 286570), (350, 229256), (400, 200599), (560, 143285), (700, 114628), (1400, 57314), (2800, 28657)]