266039920

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{13249}}^1$

素因数の和:13513

約数の個数: 40

約数和(自身を含む): 621054000

約数和(自身を除く): 355014080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 13249, 20080, 26498, 52996, 66245, 105992, 132490, 211984, 264980, 529960, 1059920, 3325499, 6650998, 13301996, 16627495, 26603992, 33254990, 53207984, 66509980, 133019960, 266039920]

約数ペア:

[(1, 266039920), (2, 133019960), (4, 66509980), (5, 53207984), (8, 33254990), (10, 26603992), (16, 16627495), (20, 13301996), (40, 6650998), (80, 3325499), (251, 1059920), (502, 529960), (1004, 264980), (1255, 211984), (2008, 132490), (2510, 105992), (4016, 66245), (5020, 52996), (10040, 26498), (13249, 20080)]