420089080

素因数分解:

$2^3\times 5^1\times {\mathrm{10502227}}^1$

素因数の和:10502238

約数の個数: 16

約数和(自身を含む): 945200520

約数和(自身を除く): 525111440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10502227, 21004454, 42008908, 52511135, 84017816, 105022270, 210044540, 420089080]

約数ペア:

[(1, 420089080), (2, 210044540), (4, 105022270), (5, 84017816), (8, 52511135), (10, 42008908), (20, 21004454), (40, 10502227)]