40380040

素因数分解:

$2^3\times 5^1\times {\mathrm{1009501}}^1$

素因数の和:1009512

約数の個数: 16

約数和(自身を含む): 90855180

約数和(自身を除く): 50475140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009501, 2019002, 4038004, 5047505, 8076008, 10095010, 20190020, 40380040]

約数ペア:

[(1, 40380040), (2, 20190020), (4, 10095010), (5, 8076008), (8, 5047505), (10, 4038004), (20, 2019002), (40, 1009501)]