13156040

素因数分解:

$2^3\times 5^1\times {\mathrm{328901}}^1$

素因数の和:328912

約数の個数: 16

約数和(自身を含む): 29601180

約数和(自身を除く): 16445140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 328901, 657802, 1315604, 1644505, 2631208, 3289010, 6578020, 13156040]

約数ペア:

[(1, 13156040), (2, 6578020), (4, 3289010), (5, 2631208), (8, 1644505), (10, 1315604), (20, 657802), (40, 328901)]