12751480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45541}}^1$

素因数の和:45559

約数の個数: 32

約数和(自身を含む): 32790240

約数和(自身を除く): 20038760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45541, 91082, 182164, 227705, 318787, 364328, 455410, 637574, 910820, 1275148, 1593935, 1821640, 2550296, 3187870, 6375740, 12751480]

約数ペア:

[(1, 12751480), (2, 6375740), (4, 3187870), (5, 2550296), (7, 1821640), (8, 1593935), (10, 1275148), (14, 910820), (20, 637574), (28, 455410), (35, 364328), (40, 318787), (56, 227705), (70, 182164), (140, 91082), (280, 45541)]