26580280

素因数分解:

$2^3\times 5^1\times {\mathrm{664507}}^1$

素因数の和:664518

約数の個数: 16

約数和(自身を含む): 59805720

約数和(自身を除く): 33225440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 664507, 1329014, 2658028, 3322535, 5316056, 6645070, 13290140, 26580280]

約数ペア:

[(1, 26580280), (2, 13290140), (4, 6645070), (5, 5316056), (8, 3322535), (10, 2658028), (20, 1329014), (40, 664507)]