82656440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28307}}^1$

素因数の和:28391

約数の個数: 32

約数和(自身を含む): 188531280

約数和(自身を除く): 105874840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 28307, 56614, 113228, 141535, 226456, 283070, 566140, 1132280, 2066411, 4132822, 8265644, 10332055, 16531288, 20664110, 41328220, 82656440]

約数ペア:

[(1, 82656440), (2, 41328220), (4, 20664110), (5, 16531288), (8, 10332055), (10, 8265644), (20, 4132822), (40, 2066411), (73, 1132280), (146, 566140), (292, 283070), (365, 226456), (584, 141535), (730, 113228), (1460, 56614), (2920, 28307)]