80327128

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 177292800

約数和(自身を除く): 96965672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 89, 142, 178, 227, 284, 356, 454, 497, 568, 623, 712, 908, 994, 1246, 1589, 1816, 1988, 2492, 3178, 3976, 4984, 6319, 6356, 12638, 12712, 16117, 20203, 25276, 32234, 40406, 44233, 50552, 64468, 80812, 88466, 112819, 128936, 141421, 161624, 176932, 225638, 282842, 353864, 451276, 565684, 902552, 1131368, 1434413, 2868826, 5737652, 10040891, 11475304, 20081782, 40163564, 80327128]

約数ペア:

[(1, 80327128), (2, 40163564), (4, 20081782), (7, 11475304), (8, 10040891), (14, 5737652), (28, 2868826), (56, 1434413), (71, 1131368), (89, 902552), (142, 565684), (178, 451276), (227, 353864), (284, 282842), (356, 225638), (454, 176932), (497, 161624), (568, 141421), (623, 128936), (712, 112819), (908, 88466), (994, 80812), (1246, 64468), (1589, 50552), (1816, 44233), (1988, 40406), (2492, 32234), (3178, 25276), (3976, 20203), (4984, 16117), (6319, 12712), (6356, 12638)]