80780896

素因数分解:

$2^5\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2297}}^1$

素因数の和:2471

約数の個数: 48

約数和(自身を含む): 182994336

約数和(自身を除く): 102213440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 157, 224, 314, 628, 1099, 1256, 2198, 2297, 2512, 4396, 4594, 5024, 8792, 9188, 16079, 17584, 18376, 32158, 35168, 36752, 64316, 73504, 128632, 257264, 360629, 514528, 721258, 1442516, 2524403, 2885032, 5048806, 5770064, 10097612, 11540128, 20195224, 40390448, 80780896]

約数ペア:

[(1, 80780896), (2, 40390448), (4, 20195224), (7, 11540128), (8, 10097612), (14, 5770064), (16, 5048806), (28, 2885032), (32, 2524403), (56, 1442516), (112, 721258), (157, 514528), (224, 360629), (314, 257264), (628, 128632), (1099, 73504), (1256, 64316), (2198, 36752), (2297, 35168), (2512, 32158), (4396, 18376), (4594, 17584), (5024, 16079), (8792, 9188)]