127890672080

素因数分解:

$2^4\times 5^1\times {\mathrm{1598633401}}^1$

素因数の和:1598633414

約数の個数: 20

約数和(自身を含む): 297345812772

約数和(自身を除く): 169455140692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1598633401, 3197266802, 6394533604, 7993167005, 12789067208, 15986334010, 25578134416, 31972668020, 63945336040, 127890672080]

約数ペア:

[(1, 127890672080), (2, 63945336040), (4, 31972668020), (5, 25578134416), (8, 15986334010), (10, 12789067208), (16, 7993167005), (20, 6394533604), (40, 3197266802), (80, 1598633401)]