127900040

素因数分解:

$2^3\times 5^1\times {\mathrm{3197501}}^1$

素因数の和:3197512

約数の個数: 16

約数和(自身を含む): 287775180

約数和(自身を除く): 159875140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3197501, 6395002, 12790004, 15987505, 25580008, 31975010, 63950020, 127900040]

約数ペア:

[(1, 127900040), (2, 63950020), (4, 31975010), (5, 25580008), (8, 15987505), (10, 12790004), (20, 6395002), (40, 3197501)]