264868280

素因数分解:

$2^3\times 5^1\times {\mathrm{6621707}}^1$

素因数の和:6621718

約数の個数: 16

約数和(自身を含む): 595953720

約数和(自身を除く): 331085440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6621707, 13243414, 26486828, 33108535, 52973656, 66217070, 132434140, 264868280]

約数ペア:

[(1, 264868280), (2, 132434140), (4, 66217070), (5, 52973656), (8, 33108535), (10, 26486828), (20, 13243414), (40, 6621707)]