12902960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23041}}^1$

素因数の和:23061

約数の個数: 40

約数和(自身を含む): 34286496

約数和(自身を除く): 21383536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23041, 46082, 92164, 115205, 161287, 184328, 230410, 322574, 368656, 460820, 645148, 806435, 921640, 1290296, 1612870, 1843280, 2580592, 3225740, 6451480, 12902960]

約数ペア:

[(1, 12902960), (2, 6451480), (4, 3225740), (5, 2580592), (7, 1843280), (8, 1612870), (10, 1290296), (14, 921640), (16, 806435), (20, 645148), (28, 460820), (35, 368656), (40, 322574), (56, 230410), (70, 184328), (80, 161287), (112, 115205), (140, 92164), (280, 46082), (560, 23041)]