201720040

素因数分解:

$2^3\times 5^1\times {\mathrm{5043001}}^1$

素因数の和:5043012

約数の個数: 16

約数和(自身を含む): 453870180

約数和(自身を除く): 252150140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5043001, 10086002, 20172004, 25215005, 40344008, 50430010, 100860020, 201720040]

約数ペア:

[(1, 201720040), (2, 100860020), (4, 50430010), (5, 40344008), (8, 25215005), (10, 20172004), (20, 10086002), (40, 5043001)]