6506788880

素因数分解:

$2^4\times 5^1\times {\mathrm{81334861}}^1$

素因数の和:81334874

約数の個数: 20

約数和(自身を含む): 15128284332

約数和(自身を除く): 8621495452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81334861, 162669722, 325339444, 406674305, 650678888, 813348610, 1301357776, 1626697220, 3253394440, 6506788880]

約数ペア:

[(1, 6506788880), (2, 3253394440), (4, 1626697220), (5, 1301357776), (8, 813348610), (10, 650678888), (16, 406674305), (20, 325339444), (40, 162669722), (80, 81334861)]