16200040

素因数分解:

$2^3\times 5^1\times {\mathrm{405001}}^1$

素因数の和:405012

約数の個数: 16

約数和(自身を含む): 36450180

約数和(自身を除く): 20250140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 405001, 810002, 1620004, 2025005, 3240008, 4050010, 8100020, 16200040]

約数ペア:

[(1, 16200040), (2, 8100020), (4, 4050010), (5, 3240008), (8, 2025005), (10, 1620004), (20, 810002), (40, 405001)]