2885380040

素因数分解:

$2^3\times 5^1\times {\mathrm{72134501}}^1$

素因数の和:72134512

約数の個数: 16

約数和(自身を含む): 6492105180

約数和(自身を除く): 3606725140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72134501, 144269002, 288538004, 360672505, 577076008, 721345010, 1442690020, 2885380040]

約数ペア:

[(1, 2885380040), (2, 1442690020), (4, 721345010), (5, 577076008), (8, 360672505), (10, 288538004), (20, 144269002), (40, 72134501)]