2560270

素因数分解:

$2^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{509}}^1$

素因数の和:1019

約数の個数: 16

約数和(自身を含む): 4626720

約数和(自身を除く): 2066450

約数列:

[1, 2, 5, 10, 503, 509, 1006, 1018, 2515, 2545, 5030, 5090, 256027, 512054, 1280135, 2560270]

約数ペア:

[(1, 2560270), (2, 1280135), (5, 512054), (10, 256027), (503, 5090), (509, 5030), (1006, 2545), (1018, 2515)]