80991904

素因数分解:

$2^5\times 7^3\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 191116800

約数和(自身を除く): 110124896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 94, 98, 112, 157, 188, 196, 224, 314, 329, 343, 376, 392, 628, 658, 686, 752, 784, 1099, 1256, 1316, 1372, 1504, 1568, 2198, 2303, 2512, 2632, 2744, 4396, 4606, 5024, 5264, 5488, 7379, 7693, 8792, 9212, 10528, 10976, 14758, 15386, 16121, 17584, 18424, 29516, 30772, 32242, 35168, 36848, 51653, 53851, 59032, 61544, 64484, 73696, 103306, 107702, 118064, 123088, 128968, 206612, 215404, 236128, 246176, 257936, 361571, 413224, 430808, 515872, 723142, 826448, 861616, 1446284, 1652896, 1723232, 2530997, 2892568, 5061994, 5785136, 10123988, 11570272, 20247976, 40495952, 80991904]

約数ペア:

[(1, 80991904), (2, 40495952), (4, 20247976), (7, 11570272), (8, 10123988), (14, 5785136), (16, 5061994), (28, 2892568), (32, 2530997), (47, 1723232), (49, 1652896), (56, 1446284), (94, 861616), (98, 826448), (112, 723142), (157, 515872), (188, 430808), (196, 413224), (224, 361571), (314, 257936), (329, 246176), (343, 236128), (376, 215404), (392, 206612), (628, 128968), (658, 123088), (686, 118064), (752, 107702), (784, 103306), (1099, 73696), (1256, 64484), (1316, 61544), (1372, 59032), (1504, 53851), (1568, 51653), (2198, 36848), (2303, 35168), (2512, 32242), (2632, 30772), (2744, 29516), (4396, 18424), (4606, 17584), (5024, 16121), (5264, 15386), (5488, 14758), (7379, 10976), (7693, 10528), (8792, 9212)]