5580040

素因数分解:

$2^3\times 5^1\times {\mathrm{139501}}^1$

素因数の和:139512

約数の個数: 16

約数和(自身を含む): 12555180

約数和(自身を除く): 6975140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139501, 279002, 558004, 697505, 1116008, 1395010, 2790020, 5580040]

約数ペア:

[(1, 5580040), (2, 2790020), (4, 1395010), (5, 1116008), (8, 697505), (10, 558004), (20, 279002), (40, 139501)]