16740280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{11311}}^1$

素因数の和:11359

約数の個数: 32

約数和(自身を含む): 38687040

約数和(自身を除く): 21946760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 11311, 22622, 45244, 56555, 90488, 113110, 226220, 418507, 452440, 837014, 1674028, 2092535, 3348056, 4185070, 8370140, 16740280]

約数ペア:

[(1, 16740280), (2, 8370140), (4, 4185070), (5, 3348056), (8, 2092535), (10, 1674028), (20, 837014), (37, 452440), (40, 418507), (74, 226220), (148, 113110), (185, 90488), (296, 56555), (370, 45244), (740, 22622), (1480, 11311)]