1520792080

素因数分解:

$2^4\times 5^1\times {\mathrm{19009901}}^1$

素因数の和:19009914

約数の個数: 20

約数和(自身を含む): 3535841772

約数和(自身を除く): 2015049692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19009901, 38019802, 76039604, 95049505, 152079208, 190099010, 304158416, 380198020, 760396040, 1520792080]

約数ペア:

[(1, 1520792080), (2, 760396040), (4, 380198020), (5, 304158416), (8, 190099010), (10, 152079208), (16, 95049505), (20, 76039604), (40, 38019802), (80, 19009901)]